sentences:  After the capture of Damascus, some of the Mongol troops raided Palestine, and fought with an-Nasir's troops in the olive groves of Nablus, defeating the entire force.Once arriving at the border with Egypt, some Emirs of an-Nasir Yusuf abandoned him and joined Qutuz.An-Nasir Yusuf, his son al-Aziz, and his brother al-Zahir were abducted in Gaza by one of his servants and were sent to Hulagu, An-Nasir and his brother were executed after Hulagu heard the news of the defeat of the Mongol army at Ain Jalut by an Egyptian army led by Qutuz and Baibars on September 3, 1260.