The health conditions of five Palestinian administrative detainees in Israeli prisons are deteriorating and requires effective procedures to save their lives, said the Palestinian Authority’s Detainees Affairs Commission.

The Commission said Husam Ruzzi, Mohammad Tabanja, Khaled Farraj, Hasan Ewewi and Odeh Hroub have been on hunger strike for several days in protest of their illegal detention by Israeli authorities, without charge or trial.

Israel’s widely condemned policy of administrative detention allows detention of Palestinians without charge or trial for renewable intervals usually ranging between three and six months based on undisclosed evidence that even a detainee’s lawyer is barred from viewing.

“Israel’s use of administrative detention blatantly violates the restrictions of international law. Israel carries it out in a highly classified manner that denies detainees the possibility of mounting a proper defense,” says Israeli human rights group B’Tselem.