HONORING PETER JENNINGS: Today marks 13 years since the passing of ABC News anchor Peter Jennings, who for more than four decades guided us through the most difficult of times, and for many viewers his legacy lives on in his honest approach to sharing his lung cancer diagnosis. David Muir reports. https://abcn.ws/2KGA1sY | 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

David Muir reports on the symphony performed by the Canadian National Orchestra in honor of the late Peter Jennings. https://abcn.ws/2XvP3JQ | ABC World News Tonight with David Muir

Peter Jennings passed away 10 years ago today, after being the voice of ABC News for over four decades. Today we remember him. | ABC World News Tonight with David Muir