Palestinian president Mahmud Abbas's Fatah movement said it held Islamist group Hamas responsible for a wave of bomb attacks against the homes of Fatah leaders in Gaza on Friday.
"The Fatah central committee condemns the crimes which took place this morning against its leaders and lays the responsiblity for these crimes upon Hamas," senior Fatah official Nasser al-Qidwa told a news conference in the West Bank city of Ramallah.