ISTANBUL Russia on Tuesday warned of a potential “spiral of escalation” in Gaza amid renewed Israeli attacks on the besieged enclave that killed hundreds of Palestinians, including children and women. The Israeli army pounded the Gaza Strip early Tuesday, killing more than 320 people and injuring hundreds, despite a ceasefire agreement. Images emerging from Gaza showed that the majority of the victims were civilians, including women and children, whose homes were bombed during the night. “The