At least 15 people have been killed in an Israeli strike on a former school building in northern Gaza, a spokesman for the Kamal Adwan hospital said on Thursday. The Israeli army said the air force “conducted a precise strike on an operational meeting point for Hamas and Islamic Jihad terrorists.” Dozens of militants were allegedly present inside the building at the time of the attack, according to an army statement. The militants killed “were involved in rocket attacks against Israeli territory, as well as in planning and committing terrorist attacks against IDF troops and the State of Israel…