An Israeli attack on Beit Lahiya, a town in northern Gaza, killed at least 73 people on Saturday evening, according to the government media office in the enclave.
Israeli warplanes carried out several air strikes on a residential complex in the town, Wafa news agency reported.
In addition to at least 73 people killed, scores of others were wounded and missing.
Medics in Gaza said the Israeli air strikes targeted a multi-floor building and damaged a number of nearby houses.
The government media office said that Israeli forces had bombed overcrowded residential areas in Beit Lahiya, adding that women and children were amongst the casualties.
New MEE newsletter: Jerusalem Dispatch
Sign up to get the latest insights and analysis on
Israel-Palestine, alongside Turkey Unpacked and other MEE newsletters
“This is a war of genocide and ethnic cleansing. The occupation has conducted a horrifying massacre in Beit Lahiya,” the government media office said.
This is a developing story