Tareq Abu Khdeir, speaking via a representative from the US consulate in Jerusalem who was allowed to visit him in the police station, sent a message to his parents: "I am holding up OK."
The fifteen year old, who is an American citizen and attends high school in Florida, is alleged to have been badly beaten by Israeli security forces during violent clashes in East Jerusalem on Thursday.
More top news
Female inmates compete to create the most fabulous cell in a contest designed to ease the pain of being away from family at the holidays.
A 15 year old boy has pleaded guilty to causing the deaths of five people by dangerous driving in a car crash in Leeds.
The actress, who recently got engaged to Prince Harry, will take part in festivities on the Queen's private estate in Norfolk.