Israeli border police officers detain a Palestinian protester in Jerusalem's Old City, on Tisha B'Av July 26, 2015. Masked rock-throwing Palestinians and Israeli police using stun grenades clashed on Sunday at al-Aqsa mosque plaza, on Tisha B'Av, the annual Jewish day of mourning for Jerusalem's two destroyed Biblical temples. REUTERS/Amir Cohen TPX IMAGES OF THE DAY