Hamas chief Mahmud Zahar threatened to avenge a deadly weekend raid in the movement’s Gaza stronghold with attacks inside Israel and poured cold water on calls for a ceasefire.”Aggression from Israel will be reacted by self-defence… whether within the occupied territories or outside the Green Line,” Zahar, the radical Islamist group’s leader in Gaza, told AFP. His comments come after 11 Palestinians were killed over the weekend during an Israeli raid into the Khan Yunis refugee camp in southern Gaza, the deadliest offensive since the death of Palestinian leader Yasser Arafat.Full Story