U.S. Secretary of State Marco Rubio arrived on Sunday morning in Israel, where he plans to meet with officials to discuss the war in Gaza."My focus will be on securing the return of hostages, finding ways to make sure humanitarian aid reaches civilians,

U.S. Secretary of State Marco Rubio was in Israel on Sunday as its military intensified attacks on northern Gaza, flattening multiple high-rise building and killing at least 13 Palestinians.

Hamas has described it as an attempt by Israel to derail the ceasefire negotiations and said it would not change the group's terms for ending the war in Gaza.