However, no agreement has yet been reached on the number of Palestinians permitted to enter or exit, the sources added, noting that Egypt plans to admit "all Palestinians whom Israel authorises to leave".
New START restricted Russia and the United States to a maximum of 1,550 deployed strategic nuclear warheads each, a reduction of nearly 30 percent from the previous limit set in 2002.
The arrival of the US flotilla has raised fears of a direct confrontation with Iran, which has warned it would respond with missile strikes on US bases, ships and allies, notably Israel, in the event of an attack.
President Donald Trump says he is now running Venezuela and has allowed Maduro's vice president Delcy Rodriguez to be interim leader so long as she toes Washington's line, in particular granting US access to Venezuela's vast oil reserves.