Palestinians shout slogans during a demonstration in support of Palestinian prisoners on hunger strike in Israeli jails, in the West Bank city of Ramallah June 7, 2014. U.N. Secretary-General Ban Ki-moon voiced concerns on Friday about the worsening health of Palestinian hunger strikers in Israeli detention and demanded that they either be formally charged or released immediately. Several dozen Palestinians on hunger strike, protesting Israel's use of administrative detention to keep them behind bars, have been taken to hospital. REUTERS/Mohamad Torokman (WEST BANK - Tags: POLITICS CIVIL UNREST CRIME LAW TPX IMAGES OF THE DAY)