At least 50 people have been killed in Israeli strikes on Beit Lahiya in northern Gaza on Sunday morning, the health ministry in Gaza says.

Mohammed Afif, the head of media relations for Hezbollah, was killed in a strike on the Arab socialist Baath party's office in central Beirut, officials said.

An Israeli air strike on a five-storey residential block in Beit Lahia in northern Gaza has killed at least 34 people, the local civil defence agency says. The agency, quoted by AFP, said many of the dead were women and children, with dozens stilled feared to be under the rubble. Seven people were also injured.