Israeli units are “expanding” their operations in the area around the city of Khan Younis in the south of the Gaza Strip, the Israel Defense Forces (IDF) said on Friday, without providing details. Hamas leaders are thought to be hiding in Khan Younis. The IDF reported finding explosives in the homes of Hamas members. Buildings with explosives had been destroyed, it said. Troops also found a number of tunnels and weapons. Meanwhile, the Israeli military says it found and destroyed one of the hideouts of Hamas leader Yehya al-Sinwar near Gaza City, in the northern part of the sealed-off coastal …