By Rushdi Abualouf at Al-Maghazi camp in Gaza & Kathryn Armstrong in London BBC News

The Hamas-run health ministry says at least 45 people have been killed in what it said was an Israeli air strike at the Al-Maghazi refugee camp.

Israel’s military says it is looking into whether it was operating in the area at the time.

The small camp has been experiencing overcrowding because of people fleeing bombardments further north.

Efforts are under way to find those still missing. It is thought more than 100 people were there at the time.

The head of Gaza’s Al-Aqsa hospital said 52 people were killed in the blast on Saturday night, slightly more than the number given by the health ministry.

…