Throughout last week, the Israeli army imposed a brutal siege on Nasser Hospital, located in the city of Khan Younis, south of the Gaza Strip, opening fire on anyone who tried to escape, according to local eyewitnesses in the hospital. The Israeli siege on Nasser Hospital comes a month and a half after the Israeli army expanded its ground and air military operations in the city of Khan Younis, which Israel claims houses a stronghold of four military battalions affiliated with the Al-Qassam Brigades, the armed wing of Hamas, the Islamist group ruling Gaza since 2006. According to eyewitnesses a…