Former US President Barack Obama said some of Israel's actions in its war against Hamas, like cutting off food and water for Gaza, could weaken international support and "harden Palestinian attitudes for generations".
In rare comments on a foreign policy crisis, Obama said any Israeli military strategy that ignores the human costs of the war "could ultimately backfire".
"The Israeli government's decision to cut off food, water and electricity to a captive civilian population (in Gaza) threatens not only to worsen a growing humanitarian crisis; it could further harden Palestinian attitudes for generations, erode global support for Israel, play into the hands of Israel's enemies, and undermine long-term efforts to achieve peace and stability in the region," Obama said.
Israel has launched intensive air strikes on Gaza since the Hamas attack on Israel on October 7 killed more than 1,400 people. Gaza officials say Israeli air strikes have killed more than 5,000 Palestinians.
He denounced the Hamas attack and reiterated his support for Israel's right to defend itself, but at the same time, he warned of the dangers to which civilians are exposed in such wars.
Ukraine issued air raid alerts for Kyiv and the country's eastern half as blasts shook the city of Mykolaiv early on Monday, authorities said, hours after the one-day Easter ceasefire declared by Russian President Vladimir Putin came to an end.
US Vice President JD Vance began a four-day visit to India on Monday and will hold talks with Prime Minister Narendra Modi, as New Delhi rushes to avoid steep US tariffs with an early trade deal and boost ties with the Trump administration.
The Israeli military on Sunday said a review into last month's killing of emergency responders in Gaza found there had been "several professional failures" and that a commander would be dismissed over the incident.
US President Donald Trump is threatening to cut another $1 billion in funding for Harvard University, this time targeting health research, the Wall Street Journal reported on Sunday, as the administration's row with elite schools escalated.