Israeli airstrikes on Gaza resume after weeklong truce with Hamas ends

Israel’s war with Hamas resumed in full force Friday, with airstrikes hitting targets in the Gaza Strip minutes after a weeklong truce expired. Black smoke billowed from the besieged territory, and Israel dropped leaflets over Gaza City and southern parts of the enclave, urging civilians to leave their homes to avoid the fighting.

In Israel, sirens warned of incoming rockets at several communal farms near Gaza, a sign that militants also restarted attacks. The renewed hostilities heightened concerns for Palestinians — many of whom have been displaced by the war — as well as...