Cairo: Hamas said its delegation had left Cairo on Thursday amid ongoing negotiations on a ceasefire accord in Gaza that mediators hope to achieve before the start of Ramadan early next week. After four days of talks mediated by Qatar and Egypt to secure a 40-day ceasefire ahead of the Muslim fasting month there is still no sign of progress on key sticking points, with both sides blaming the other.Cairo: Hamas said its delegation had left Cairo on Thursday amid ongoing negotiations on a ceasefire accord in Gaza that mediators hope to achieve before the start of Ramadan early next week. After four days of talks mediated by Qatar and Egypt to secure a 40-day ceasefire ahead of the Muslim fasting month there is still no sign of progress on key sticking points, with both sides blaming the other.