Marcus Moore reports on a gunman who opened fire at a popular market in Krakow killing at least six people and injuring 16 others including two police officers in a horrific attack; Andrew Dymburt has the latest on a chief engineers of the AI boom being investigated by his company over an alleged relationship with a suspected spy; Olivia Rubin has the details on President Trump signals more shakeups are coming to the White House just days after Democrats sweep the midterms and what UFC CEO Dana White is saying about President Trump's Press Secretary job offer; and more on tonight’s broadcast of World News Tonight with David Muir.
02:10 Authorities say attack by gunman at a popular market in Krakow is an “act of terror”
05:15 World's most valuable chipmaker is investigating reports that its CEO may have been targeted by a Chinese spy
06:33 President Trump is signaling more shakeups at the White House
08:52 Newly-elected members of Congress in the Nation's Capital
10:46 Pope Leo in Argentina on the second leg of his South America tour
12:43 A deadly train crash in Egypt left at least seven people killed and 112 injured
13:02 A disturbing incident at Lebron James' home in California
13:54 Ex-NYPD officer charged in fatal stabbing of Brooklyn woman
14:57 A Bronx community coming together to remember a teenager
15:17 NASA recruiting new astronauts
17:22 Driver crashes into group of cyclists
17:41 Dad arrested after leaving child in line
18:10 Ship will be largest artificial reef
18:25 Small plane makes emergency landing
18:40 Miami suffers controversial loss
19:13 America Strong: Autistic teen finds his power in music
ABC World News Tonight with David Muir delivers the news that matters most. Watch to get the latest news stories and headlines from around the world.

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