An Iranian missile slammed into a hospital in Israel, causing no serious injuries but drawing a quick vow of retaliation against Iran's supreme leader for "war crimes."

Iran and Israel traded attacks early Thursday as their war continued to intensify nearly a week after it began. Israel expressed outrage at an Iranian missile striking the largest hospital in southern Israel.

Israel’s defense minister threatened Iran’s supreme leader after Iranian missiles damaged a hospital in southern Israel and hit residential buildings near Tel Aviv.