Russia remains ready to act as a mediator in the conflict between Israel and Iran, and Moscow's previous proposal to store Iranian uranium in Russia remains on the table, the Kremlin said on Monday.

Hundreds of civilians, mostly in Iran, have been killed by dueling airstrikes despite international pleas for de-escalation.

Netanyahu claims Israel has taken control of Tehran's skies and is 'on path to victory' - Civilians killed as explosions rock Israeli cities as Iran and Israel exchange missile fire for a fourth day i

Smoke and flames filled the sky over Tehran as Israel struck oil and gas facilities in the Iranian capital and targeted more nuclear facilities during attacks that carried on into Sunday after starting two days earlier.

There will be no nuclear talks with Iran on Sunday, a senior U.S. administration official says, adding Washington still hopes Tehran will resume negotiations soon. “We remain committed to talks and hope the Iranians will come to the table soon,

"Iran must make a deal, before there is nothing left, and save what was once known as the Iranian Empire," President Donald Trump said Friday. The president has been steadfast in pursuing a new deal over Iran's nuclear program since returning to the White House earlier this year.

The decision comes as officials say they believe that Israel is preparing to launch a military attack on Iran. Tehran condemned the vote.

Iran has warned it will ramp up its nuclear activities after the United Nations nuclear watchdog’s 35-member board of governors adopted a resolution Thursday declaring it in breach of its non-proliferation obligations.