The U.S. is pulling some non-emergency staff and their families out of Israel with the possibility of a strike on Iran still on the table Friday.

The U.S. allows embassy staff in Israel to leave due to unspecified safety risks amid rising tensions with Iran.

The email came a day after Iran and the United States walked away from nuclear negotiations without a deal.

Department of State also authorises non-essential officials and their families to book flights anywhere

Washington's ambassador in Jerusalem reportedly told staff those wishing to leave should do so "today".

The U.S. is pulling some non-emergency staff and their families out of Israel with the possibility of a strike on Iran still on the table Friday.