At least seven people have been killed in an Israeli air strike on a UN-run school housing Palestinians displaced by the Gaza conflict, medics say.
Thousands of Palestinians were believed to be sheltering in the facility in Rafah in the southern Gaza Strip.
The Israeli military has not commented but has been carrying out renewed strikes in Gaza.
Gaza health officials say 30 people have died on Sunday, while militants continue to fire rockets into Israel.
The latest exchanges came after Israel's military said that an officer it feared had been captured had now been confirmed dead. Hadar Goldin went missing on Friday near Rafah.
Confirmation of 2nd Lt Goldin's death means 66 Israelis have now died in the fighting, all but two of them soldiers. A Thai worker in Israel also died.
The Israeli shelling of the Jabaliya UN shelter last week, which killed 16 people, drew widespread international condemnation.