Days after the United Nations accused Israel of killing 15 humanitarian workers in Gaza, officials who recovered the bodies or carried out the autopsies said some of the rescue workers were shot multiple times before being buried in a mass grave.

The Red Cross movement has expressed outrage that eight Palestinian medics were killed along with six Civil Defence first responders and a UN staff member by Israeli forces in southern Gaza.

Palestinians held funerals Monday for 15 medics and emergency responders killed by Israeli troops in southern Gaza, after their bodies and mangled ambulances were found buried in an impromptu mass grave,