Hamas attack ‘deadliest day for Jews since the Holocaust’, says Biden, as Israeli jets pound Gaza

US president decries campaign of pure cruelty' and warns Iran to tread carefully as Israel conducts significant airstrikes on Palestinian enclave

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Joe Biden has condemned the attack by Hamas militants on Israel at the weekend as the deadliest day for Jews since the Holocaust", as Israeli jets continued to strike Gaza, an enclave running desperately low on medical supplies, according to the World Health Organization.

The US president told Jewish leaders gathered at the White House on Wednesday: This attack was a campaign of pure cruelty - not just hate, but pure cruelty - against the Jewish people."