Kamal Adwan Hospital is attacked again by Israeli forces as the deadly siege of northern Gaza continues with new famine warnings and humanitarian aid blocked.

Heavy artillery fired by the Israeli army hit the Kamal Adwan Hospital, causing injuries to patients inside as well as some medical staff with some critically wounded. Children are among the wounded after Israeli forces targeted the paediatrics ward.

It’s the second time in the past few days that such attacks have happened. Earlier, a medical supply warehouse on the third floor of the facility was blown up.

"At this moment, occupation forces are continuing to violently bombard and destroy Kamal Adwan Hospital, targeting all parts,” the health ministry said of the besieged medical facility in the northern Gaza city of Beit Lahiya.

"There are many injuries among medical staff and patients. Medical staff are unable to move between hospital departments and are unable to save their injured colleagues. It seems a decision has been made to execute all the workers who refused to evacuate the hospital,” it said in a statement.

Israeli air strikes have killed at least 12 Palestinians in Gaza and residents say they fear new attacks and forced evacuations are aimed at emptying areas in the enclave’s north to create buffer zones.

Medics said seven people were killed in an attack on two houses in the northern Gaza town of Beit Lahiya. Five more were killed in separate strikes in central and southern parts of the enclave. Several people were wounded in the attacks, medics said, adding Israeli forces sent tanks into the northeast of Nuseirat camp.

Gaza’s Health Ministry says 33 Palestinians were killed and 156 wounded in the latest 24-hour reporting period. (Agencies)