The US secretary of state will travel to Israel on Saturday to push for a Gaza ceasefire agreement as the US tries to bridge the gaps in talks for a deal, the State Department said, while nine people including children were killed in an Israeli strike on Lebanon, the country’s health ministry said.

Antony Blinken will try to secure a truce and hostage-release agreement through the “bridging proposal” presented by the US on Friday during talks in Doha, the state department said.

President Joe Biden said on Friday that “we are closer than we have ever been” to a ceasefire after two days of talks in the Qatari capital. The talks were paused on Friday with negotiators set to meet again next week.

However, Agence France-Presse reported that Hamas – which did not attend the Doha talks – announced its opposition to what it said were “new conditions” from Israel in the latest plan.

A senior Hamas official, Izzat al-Rishq, told Reuters that Israel “did not abide by what was agreed upon” in earlier talks, citing what mediators had told them.

Blinken and Benjamin Netanyahu, the Israeli prime minister, are expected to meet on Monday, an Israeli official said.

A US official, meanwhile, warned that Iran would face “cataclysmic” consequences and derail momentum towards a Gaza truce if it strikes Israel in response to the killing of Hamas political chief Ismail Haniyeh in Tehran on 31 July.

The US encouraged Iran “not to move down that road because the consequences could be quite cataclysmic, particularly for Iran”, the senior US official said on condition of anonymity in Washington on Friday, amid concerns that Tehran’s threatened counterstrike on Israel could lead to all-out war in the Middle East.