TUESDAY NIGHT: David Muir anchors a special edition of ABC World News Tonight with David Muir as Iran launches an attack on U.S. military facilities in Iraq after a U.S. drone killed Qassem Soleimani, with Ian Pannell reporting from Erbil on the latest details, Martha Raddatz in Tehran where Iranians were vowing revenge and Jonathan Karl at the White House where President Trump is being briefed.https://abcn.ws/2QOryIY | ABC World News Tonight with David Muir

ON THIS DAY: Peter Jennings anchors ABC News coverage of the Lockerbie bombing on December 21, 1988, that killed 243 passengers and 16 crew on board Pan Am Flight 103 and another 11 people on the ground when the Detroit-bound transatlantic flight crashed in Scotland. http://abcn.ws/2CPXdBp | ABC World News Tonight with David Muir