Gheith Nasr, 18, of the Burj Luqluq neighbourhood in East Jerusalem, has not had the ideal preparation for his high-school graduation exams in a few weeks time.

Since January, he says, he has been arrested four times by the Israeli security services, accused of stone-throwing and vandalising security cameras in the Old City.

He says he has been detained each time for a few days in one of Jerusalem's interrogation centres, and then sent home under orders not to leave... >>>