KNOW IT ALL: Tuesday's Top 6 Stories at NBC News

Liberia's president apologized Saturday for the high death toll among the country's healthcare workers who have fought an Ebola outbreak, which has killed ne

Comedian and actor Robin Williams, 63, died from "asphyxia due to hanging," according to preliminary findings announced at a press conference on Tuesday by Lt. Keith Boyd of the Marin County's Sheriff's Office. Williams was discovered on Monday shortly 

NBC, though, has not issued any public comment about the report. That's a markedly different approach from the network, which has always responded—either aggressively or more mildly—to such rumors in the past. The silence did not bode well for Gregory.

A helicopter carrying Yazidi refugees away from an Iraqi mountain crashed on Tuesday, killing the pilot and injuring a war correspondent for The New York Times who was on board, the newspaper reported. Members of the Iraqi parliament, including one who 

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