Gaza’s fragile ceasefire was shattered early Tuesday as Israel carried out deadly strikes across the enclave and Israeli Prime Minister Benjamin Netanyahu vowed to use “increasing military strength” against Hamas.

The death toll rose to more than 400, Gazan authorities said, marking one of the deadliest days since the war began. The attacks came after a breakdown in talks to release hostages.

DEIR AL-BALAH, Gaza Strip — Israel launched new strikes against Hamas and promised "increasing military force" after talks on further hostage releases stalled, Israel's Office of the Prime Minister said Monday.