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.
Warning: Video contains graphic images
More top news
Hangovers cannot be prevented, even by drinking water or eating after boozing, scientists have concluded.
Striking rail workers and engineering works are set to cause a headache for many Britons travelling over the bank holiday weekend.
An eight-year-old boy has been caught on camera going for a joyride with two other young children in the car.