Middle East crisis: UN humanitarian chief calls Gaza war ‘betrayal of humanity’ – as it happened

Martin Griffiths lamented the unconscionable prospect of further escalation in Gaza, where no one is safe and there is nowhere safe to go'

• Israeli inquiry findings on aid worker killings lack credibility, charity says

Iran on Saturday again threatened retaliation for the deaths of seven Revolutionary Guards in a strike on Damascus, with the army chief saying his country's enemies will regret" the killings, reports AFP.

Tehran has vowed to avenge Monday's airstrike on the Syrian capital it blamed on its arch-enemy Israel, which has not commented.