It comes amid reports that PM Netanyahu is pushing to expand Israel's military operations in Gaza.
www.bbc.co.uk
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A group of some 600 retired Israeli security officials, including former heads of intelligence agencies, have written to US President Donald Trump to pressure Israel to immediately end the war in Gaza.
"It is our professional judgement that Hamas no longer poses a strategic threat to Israel," the officials said.
"Your credibility with the vast majority of Israelis augments your ability to steer Prime Minister [Benjamin] Netanyahu and his government in the right direction: End the war, return the hostages, stop the suffering," they wrote.
The possibility of a new escalation in Gaza may further anger Israel's allies which have been pushing for an immediate ceasefire as reports of Palestinians dying from starvation or malnutrition cause shock around the world.
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The main group supporting hostages' families condemned the idea of a new military offensive saying: "Netanyahu is leading Israel and the hostages to doom."
That view was pointedly made in the letter to Trump by former Mossad chief Tamir Pardo, Ami Ayalon, former chief of Shin Bet - Israel's domestic secret service agency - former Prime Minister Ehud Barak, and former Defence Minister Moshe Yaalon among others.
"At first this war was a just war, a defensive war, but when we achieved all military objectives, this war ceased to be a just war," said Ayalon.
The former top leaders head the Commanders for Israel's Security (CIS) group, which has urged the government in the past to focus on securing the return of the hostages.
"Stop the Gaza War! On behalf of CIS, Israel's largest group of former IDF generals and Mossad, Shin Bet, Police, and Diplomatic Corps equivalents, we urge you to end the Gaza war. You did it in Lebanon. Time to do it in Gaza as well," they wrote to the US president.