The latest round of negotiations in Egypt for a ceasefire in the Gaza war are again at an impasse with a “difficult stalemate” in the talks, according to dpa diplomatic sources. The 13-member Israeli delegation, which had arrived in Cairo just hours earlier, has left, dpa has learnt from sources at Cairo airport late on Sunday. Emir Tamim bin Hamad Al Thani, who travelled to Cairo to represent Qatar, has also left the Egyptian capital. Representatives of the Palestinian militant organization Hamas, who had travelled from Doha to be briefed on the progress of the talks indirectly, have also lef…