Israel intends to broaden Rafah sweep, Defence Minister Gallant tells Washington

An Israeli solider is seen in silhouette inside an armored personnel carrier, as military operations continue in the southern Gaza city of Rafah, at an area outside Kerem Shalom, Israe

JERUSALEM (Reuters) -Israel intends to broaden its military operation in Rafah, Defence Minister Yoav Gallant on Monday told a senior aide to U.S. President Joe Biden, who has warned against major action in the southern Gazan city that may risk mass civilian casualties.

Israel describes Rafah, which abuts the Gaza Strip's border with the Egyptian Sinai, as the last stronghold of Hamas Islamists whose governing and combat capabilities it has been trying to dismantle during the more than seven-month-old war.

After weeks of public disagreements with Washington over the Rafah planning, Israel on May 6 ordered Palestinian civilians to evacuate parts of the city and began troop and tank incursions.

"We are committed to broadening the ground operation in Rafah to the end of dismantling Hamas and recovering the hostages," a statement from Gallant's office quoted him as telling visiting U.S. National Security Adviser Jake Sullivan.

Israel believes dozens of hostages from the cross-border Hamas rampage on Oct. 7 are being held in Rafah.

Western powers and Egypt have voiced concern for the fate of hundreds of thousands of displaced Palestinians sheltering there, despite Israeli assurances about humanitarian safeguards.

The U.N. agency for Palestinian refugees UNRWA said on Monday that it estimated 810,000 people had fled Rafah since May 6 - potentially more than half of the city's wartime population.

There was no immediate U.S. comment on the Gallant talks.

The statement from Gallant's office said he "presented to (National Security) Adviser Sullivan the provisions Israel implemented for evacuating the population from the Rafah area and for setting up the appropriate humanitarian response".

Israel says its forces in Rafah have discovered dozens of tunnels from the Sinai, a potential embarrassment for Cairo. The Egyptian state information service has previously dismissed speculation about cross-border smuggling to Gaza as "lies".

(Writing by Dan WilliamsEditing by Ros Russell)