Israel
Representatives from France, the US and the UK have shown solidarity with Israel.
Peter Lerner accused the BBC of "accepting at face value" what Hamas says.
The Hamas-run Gaza Health Ministry says a massive blast hit a Gaza City hospital packed with wounded and other Palestinians seeking shelter, killing hundreds of people.
Joe Biden is already on his way to the crisis-torn region.
“The United States stands unequivocally for the protection of civilian life during conflict," the president said.
There are growing worries about the humanitarian needs of people in Gaza and Israel.
The families of Israeli hostages are waiting, desperate to find out whether their loved ones are even alive.
"Did you have any indication of what was going to happen ten days ago?"
The broadcaster has already come under fire for its coverage of the Israel-Hamas war.
Prime minister tells MPs a further ten British citizens are missing as he condemns "pogrom".