At least 21 children have died from starvation in Gaza in the past 72 hours, with nearly 900,000 now facing severe hunger, according to BBC.

UN chief Antonio Guterres warned that Gaza’s humanitarian system is collapsing rapidly. UK Foreign Secretary David Lammy called the situation “grotesque” after reports of hundreds killed while seeking aid.

The WHO says its operations are severely affected by Israel’s renewed offensive in central Gaza. Israel claims its forces were under fire and had coordinated with aid agencies, BBC reported.