A video broadcast on a Palestinian television channel is said to show the American cousin of a 16-year-old boy who was murdered in a suspected revenge attack in Jerusalem, being beaten and dragged away by Israeli border police.
No charges have been brought against 15-year-old Tariq Khdeir, his lawyer said, but his detention has been extended until July 7, according to local media Ma'an news agency.
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The deputy sheriff stood outside Marjory Douglas Stoneman school, watching the western entrance of the school for more than four minutes.