Gunshots have been reported at the Santa Monica Community College campus in west Los Angeles.
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The vessel went missing last week with 44 sailors on board.
Joined by 18 Labour MPs, McDonnell voted with 283 Conservatives, eight DUP and two independents to defeat the Taxation Bill amendment.
Gerry Adams has told UTV the “time is right” for him to step aside as president of Sinn Féin, after announcing that he would do so in 2018.