Two Palestinian brothers detained in Israeli jails started an open hunger strike on 28 February Mohjat al-Quds Foundation said on Saturday.
Ahmad Mousa 41 started a hunger strike in protest at his administrative detention and his brother Addal joined him on the same day.
Palestinian prisoners in Ofer jail told Mohjat al-Quds that the Israel Prison Service responded to the move by holding the two brothers in solitary confinement.
A father of seven Ahmad Mousa was arrested on 7 November 2018. He has been detained without charge or trial ever since. Addal Mousa his brother was arrested on 2 February 2015 and sentenced to five years and three months in jail.
Both brothers are accused of being affiliated with the Islamic Jihad movement.