TEL AVIV/CAIRO, June 11 (Reuters) - Hamas accepts a U.N. resolution backing a plan to end the war with Israel in Gaza and is ready to negotiate details, a senior official of the Palestinian militant group said on Tuesday in what the U.S. Secretary of State called “a hopeful sign”.

Conversations on plans for Gaza after the Israel-Hamas war ends will continue on Tuesday afternoon and in the next couple of days, Secretary of State Antony Blinken said in Tel Aviv after talks with Israeli leaders. “It’s imperative that we have these plans.”

Blinken met Israeli officials on Tuesday in a push to end the eight-month-old Israeli air and ground war against Hamas that has devastated Gaza, a day after President Joe Biden’s proposal for a truce was approved by the U.N. Security Council.

Ahead of Blinken’s trip, Israel and Hamas both repeated hardline positions that have undermined previous mediation to end the fighting, while Israel has pressed on with assaults in central and southern Gaza, among the bloodiest of the war. On Tuesday, however, senior Hamas official Sami Abu Zuhri, who is based outside Gaza, said it accepted the ceasefire resolution and was ready to negotiate over the details. It was up to Washington to ensure that Israel abides by it, he added