Israeli strikes in the northern and central Gaza Strip have killed at least 31 Palestinians, most of them in Beit Lahiya town in the north of the enclave, medics said, Reuters reports.

Health officials said an Israeli airstrike on a house in Beit Lahiya killed at least 22 people, including women and children. Relatives listed the names of the dead on social media.

The Palestinian news agency Wafa said at least 30 people were living in the multi-storey building before it was struck, adding that several members of the family remained missing as rescue operations continued through morning hours.

The Israeli military said it was checking the report.

Earlier, at least seven Palestinians were killed and several others wounded in an Israeli airstrike on a house in the Nuseirat camp in the central part of the Gaza Strip, medics told Reuters.

The Palestinian Civil Emergency Service said another two people were killed by an Israeli airstrike on a house in Gaza City.

In Beit Hanoun town in northern Gaza Strip, where the Israeli forces have operated since October, medics said an Israeli airstrike killed and wounded several people. Rescue workers said several people were trapped under the rubble of a house.