ABC World News Tonight with David Muir

Trevor Ault has the latest in the New Orleans attack investigation as officials search for possible accomplices after a Texas Army veteran rammed a pickup truck into a crowd celebrating New Year's on Bourbon Street, killing at least 15 and injuring dozens; Pierre Thomas reports as the FBI launches a massive investigation into the background of suspect in the New Orleans attack and if he had any ties to the terrorist group ISIS; Mola Lenghi has details after a Tesla Cybertruck exploded outside the entrance to the Trump International Hotel in Las Vegas, with authorities treating it as a possible act of terrorism; and more on tonight's broadcast of World News Tonight.

Whit Johnson reports on the FBI now saying the suspect acted alone and was inspired by ISIS and families of the victims share details about their loved ones; Pierre Thomas has the latest on the New Orleans attack investigation; Mola Lenghi reports as authorities say a highly decorated active-duty Green Beret is believed to be the driver in the fiery Cybertruck explosion outside the Trump hotel in Las Vegas; Jaclyn Lee has details after a small plane crashed through the roof of a building in Fullerton, California sparking a 4-alarm fire; and more on tonight's broadcast of World News Tonight.

Mola Lenghi reports on the new details in the Cybertruck explosion investigation, with authorities saying the suspect left behind a note providing clues to a possible motive; In the wake of the deadly truck attack in New Orleans, Trevor Ault reports as the FBI tells law enforcement across the country to be vigilant for possible copycat crimes; Aaron Katersky has details on President-elect Trump's sentencing in his hush money case in New York, with the judge indicating he will sentence Trump to an unconditional discharge; Mary Bruce reports on the Medal of Honor and Medal of Valor recipients awarded during a ceremony at the White House; and more on tonight's broadcast of World News Tonight.

Correspondent Victor Oquendo reports on the 60 million people across the country on alert for snow and ice; Reporter Alex Presha has the latest on the thousands of flights cancelled or delayed; Meteorologist Somara Theodore delivers the forecast as some states brace for their heaviest snowfall in a decade; Correspondent Trevor Ault has more details on the FBI investigation into the attack in New Orleans; and more on ABC World News Tonight. 

Victor Oquendo reports on the deadly winter storm that slammed the mid-Atlantic and Northeast, creating treacherous travel conditions, cancelling more than 2,000 flights across the U.S. and killing at least four people, and Ginger Zee tracks the storm and the arctic blast behind it; Trevor Ault has details on the never-before-seen images obtained by ABC News of the homemade explosives authorities say the suspected terrorist brought to Bourbon Street before the New Year's attack in New Orleans; Erielle Reshef has new reporting on the first bird flu death in the U.S.; and more on tonight's broadcast of World News Tonight with David Muir.

Matt Gutman reports from Southern California, where multiple homes are being engulfed by flames after a Santa Ana windstorm sparked brush fires across the region; Selina Wang has details on the several comments President-elect Donald Trump made suggesting territorial expansion of the United States, urging Canada to become a part of the country and doubling down on his push to take over Greenland and the Panama Canal; Victor Oquendo has the latest on the investigation underway after two men were found dead in the wheel well of a JetBlue airplane after it landed in Fort Lauderdale, Florida; and more on tonight's broadcast of World News Tonight with David Muir.

In a special edition of World News Tonight, David Muir anchors from the Pacific Palisades as multiple wildfires burn out of control across Los Angeles and travels through the apocalyptic scene left behind by the flames alongside Cal-Fire Battalion Chief Brent Pasqua; the ABC News team reports from across the firezone in Southern California.

On a special edition of World News Tonight, David Muir reports from Los Angeles County with the latest on the devastating wildfires, traveling through miles of scorched earth alongside families returning to their homes for the first time since evacuating; the ABC News team reports on the unimaginable loss from the deadly fires.

On a special edition of World News Tonight, David Muir takes a flight with Cal-Fire in an ABC News exclusive, seeing the devastation over Pacific Palisades and the choppers still fighting the flames; the ABC News team reports from across the fire zone in Southern California; Aaron Katersky has details on a judge giving President-elect Trump an unconditional discharge at the sentencing hearing in his hush money trial.

Correspondent Matt Rivers reports on the expanding evacuations in Los Angeles as the Palisades fire threatens a growing list of neighborhoods; Reporter Jaclyn Lee has the latest on the calls for an investigation into the response to the wildfires; Reporter Christiane Cordero reports on the insurance crisis facing California homeowners as several carriers have stopped issuing new policies; and more on ABC World News Tonight.

Matt Gutman reports on Southern California facing more Santa Ana winds and extreme fire danger just a week after destructive fires across L.A. left at least 24 people dead, over 12,000 structures believed damaged or destroyed and firefighters exhausted; Gio Benitez has details on the two passenger planes, a Delta and a United jet, that came seconds from colliding while approaching the Phoenix airport; Mary Bruce has the latest on the possible deal between Israel and Hamas for release of hostages; as President Biden says "we're on the brink;" and more on tonight's broadcast of World News Tonight with David Muir.

After more than 400 days of war, Israel and Hamas have agreed to a ceasefire deal, which will include a hostage-prisoner exchange; Tom Soufi Burridge reports on the reactions from the families of the hostages, and Ian Pannell explains the fragility of the deal, which begins Sunday; Mary Bruce has details on Pres. Biden's final prime time address, bidding farewell to the nation and highlighting accomplishments from his term; Erielle Reshef reports on the FDA ruling to ban Red No. 3 dye, an additive used in a range of products, from America's food and drug supply due to its link to cancer in male lab rats; and more on tonight's broadcast of World News Tonight with David Muir.

As winds subside and firefighters race to contain the flames before Santa Ana winds return, Matt Gutman reports on the new danger of landslides looming across the region; Trevor Ault has details on police removing Southwest Airlines pilot David Allsop from the cockpit of the plane he was set to fly after authorities said he failed a sobriety test moments before takeoff; David Muir remembers the lives and legacies of director David Lynch and hall of fame broadcaster Bob Uecker, who both died on Thursday; and more on tonight's broadcast of World News Tonight with David Muir.

Israeli government approves temporary ceasefire deal with Hamas; 30 million Americas brace for weekend Arctic blast; NYC bus hangs off overpass after crash into guardrail.

Ian Pannel is live in Tel Aviv after three hostages kidnapped by Hamas are freed; Elizabeth Schulze has the latest on TikTok saying they're restoring service to more than 170 million U.S. users; Selina Wang is inside the pre-inauguration victory rally for President-Elect Donlad Trump; Somara Theodore tracks the brutal cold for nearly half the population as more than 1000 flights are cancelled due to winter weather; and more on tonight's broadcast of World News Tonight.

After the nation witnessed history with Donald Trump inaugurated as the 47th U.S. president, Mary Bruce reports on the swearing-in ceremony and festivities held indoors due to cold weather in Washington D.C.; Rachel Scott has the latest on Trump's promise to sign numerous executive orders, including a "national energy emergency," according to incoming White House officials; Pierre Thomas has details on what Trump says will be a sweeping series of pardons for defendants charged in the Jan. 6 attack on the Capitol; and more on tonight's broadcast of World News Tonight with David Muir.

Victor Oquendo reports on the historic snowstorm slamming the South, shutting down airports, canceling thousands of flights, and for the first time ever, blizzard warnings were issued for parts of Texas and Louisiana with snow blanketing New Orleans' famous Bourbon Street, and Ginger Zee tracks the dangerously cold blast that's put more than 200 million from Texas to Maine on alert; Rachel Scott has new reaction to Pres. Trump's sweeping pardons for Jan. 6 rioters, including from a police officer who was assaulted as the president defends his action; Britt Clennett has tragic details on the desperate escape from the inferno that roared through a popular ski resort overseas, killing dozens, with some people tying bed sheets to escape from windows; and more on tonight's broadcast of World News Tonight with David Muir.

Matt Gutman has the latest on tens of thousands that are evacuating after a fire erupted near Castaic Lake, north of Los Angeles; Alex Perez has details on the 17-year-old boy that opened fire inside his Nashville area high school cafeteria, killing a 16-year-old student and wounding another student, according to police; Mary Bruce reports on the 1,500 additional troops Pres. Trump is deploying to the U.S.-Mexico border, after the president declared a national emergency; and more on tonight's broadcast of World News Tonight with David Muir.

Mary Bruce reports on a federal judge temporarily blocking Pres. Trump's executive order ending the constitutional guarantee of birthright citizenship, calling it "blatantly unconstitutional;" Pierre Thomas has the latest on Capitol Police acknowledging a stunning security failure after they say a 27-year-old Massachusetts man touring the U.S. Capitol passed through security with a 9mm loaded handgun while confirmation hearings were underway; Mireya Villarreal has the latest on the seven police officers in San Antonio, Texas, that were shot during a standoff with a Navy veteran while responding to an attempted suicide call; and more on tonight's broadcast of World News Tonight with David Muir.

For the first time U.S. military jets were used to deport undocumented migrants out of the country, and President Trump's new border czar tells Martha Raddatz the flights will continue every day; Rachel Scott has details as Pres. Trump says he will either overhaul or get rid of FEMA as he toured the disaster zones in North Carolina and Los Angeles; Pierre Thomas reports on the Washington state woman facing charges in the first killing of a Border Patrol agent in more than 10 years; and more on tonight's broadcast of World News Tonight with David Muir.