JERUSALEM — The war in the Gaza Strip has reached one of its darkest periods. Israel's blockade of all food and supplies enters its 12th week. The military has launched another major offensive against Hamas, including “extensive” ground operations.

Israeli strikes across the Gaza Strip killed at least 103 people overnight and into Sunday, hospitals and medics in the battered enclave said, as Israel intensifies its war in the territory that, after more than 19 months,

Israel launched “extensive” new ground operations in the Gaza Strip, while airstrikes in a new offensive killed at least 103 people, hospitals and medics said, and forced northern Gaza’s main hospital to close.