An Israeli border police officer aims pepper spray towards a Palestinian man during clashes between Jewish settlers and Palestinians in the West bank village of Urif, near Nablus April 30, 2013. The clashes erupted after an attack near Nablus. A Palestinian man stabbed and shot dead an Israeli settler in the occupied West Bank on Tuesday, the Israeli ambulance service and police said. REUTERS/Abed Omar Qusini (WEST BANK - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)