The Israeli military says operations have restarted in Gaza after the truce expired, and launches air raids and artillery fire.
International mediators, including Qatar, Egypt and the United States, had pushed for another extension of the pause, which expired at 7am local time (05:00 GMT) on Friday.
Thirty Palestinian prisoners have been freed from Israeli jails in the seventh exchange of the truce after more Israeli captives were released in Gaza.
Top US diplomat Blinken says Israel plans to resume its Gaza offensive, but urges greater protection of civilians in the besieged Palestinian enclave.
More than 15,000 Palestinians have been killed in Gaza since October 7. In Israel, the official death toll stands at about 1,200.