To increase pressure on Hamas, Israel halted the delivery of aid and humanitarian supplies into Gaza earlier this month. That decision exacerbated hardships faced by civilians in the shattered enclave, where Palestinian health authorities say more than 46,000 people have been killed, a majority of them women, children or the elderly.

More than 400 people have been killed by Israeli air strikes on Gaza, according to the Hamas-run health ministry. The Israeli military says it's hitting "terror targets" across Gaza after talks to extend the ceasefire failed - it's the biggest wave of strikes since 19 January,