An Israeli military court has extended the detention of human rights researcher Ayman Nasser for a further seven days.
Nasser, 42, is a researcher for Al-Dameer Association for Human Rights. He was detained at his house in Safa village near Ramallah in the middle of October.
Nasser's advocate said that he has been exposed to extensive and abusive interrogation by the Israelis. It is alleged that he has spent a lot of time handcuffed to a chair.
The lawyer added that his client suffers from severe pain across his body as a result of the harsh treatment and bad food in the prison.