Journalists run away from the "skunk" -an Israeli army water canon spraying foul smelling chemical water, during a protest marking Palestinian Prisoners Day in front of the Israeli miltary prison of Ofer, in the West Bank city of Betunia, April 17, 2012.There are around 5,000 Palestinian prisoners who are still held in Israeli prisons and detention facilities, mostly inside Israel, in violation of the Fourth Geneva Convention, particularly Article 76 which stipulates that Òprotected persons accused of offences shall be detained in the occupied country, and if convicted they shall serve their sentences therein.Ó Anne Paq/Activestills