Russia's flagship airline Aeroflot said Saturday that it was suspending all its international flights beginning March 8, as Moscow faces waves of Western sanctions over its military incursion in Ukraine.

An Aeroflot statement on the "temporary suspension of all international flights from March 8," cited new "circumstances that impede the operation

The Ukrainian port city of Mariupol delayed a planned evacuation of residents Saturday, blaming Russian forces for breaking their temporary ceasefire to allow civilians to flee one of the war's fiercest battles.      

Russia has besieged the strategic city, which proudly resisted Moscow-backed rebels during a 2014 conflict, cutting off electricity,

Russian Foreign Minister Sergei Lavrov said Saturday that Moscow is demanding guarantees from the U.S. before backing the Iran nuclear deal, citing the current wave of Western sanctions against Russia.

Lavrov said that the nuclear talks have covered most issues and "from our point of view, if Iran agrees, this document can already be launched into

Bloomberg News announced Friday it was suspending the work of its journalists in Russia and CNN said it will stop broadcasting in the country.

The moves by Bloomberg and CNN come after Russian lawmakers passed legislation that criminalizes independent reporting.

"We have with great regret decided to temporarily suspend our news gathering inside