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The Boston Globe

World

No answers after deadliest day of year for US in Afghanistan

Helicopter accident under investigation

KABUL — A helicopter crash in southern Afghanistan Monday night that killed five American service members brought the total number of US troops killed that day to seven, making it the deadliest day for US forces so far this year.

Two US special operations forces were gunned down hours earlier in an insider ­attack by an Afghan policeman in eastern Afghanistan.

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