Gaza's health ministry has said fuel shortages have severely impaired hospital services, forcing doctors to focus on treating only critically ill or injured patients.

The family of Israeli hostage Evyatar David held by Hamas in Gaza has accused the group of deliberately starving him as part of a "propaganda campaign". The family statement on Saturday came a day after Hamas released a video showing an emaciated Mr David in a narrow concrete tunnel.

Hamas said on Sunday it was prepared to co-ordinate with the Red Cross to deliver aid to hostages it holds in Gaza if Israel meets certain conditions, after a video it released showing an emaciated captive drew sharp criticism from Western powers.