Washington, Aug. 2 -- US Secretary of State Marco Rubio said the United States will explore fresh opportunities to revive Russia-Ukraine peace negotiations while maintaining that Iran must never be allowed to develop a nuclear weapon.

Speaking to a news channel, Rubio said Washington expects renewed diplomatic efforts in the coming weeks to restart talks between Moscow and Kyiv.

"I know you're going to see some efforts over the next few weeks to see if we can't restart talks between the two sides and bring this war to an end," Rubio said.

He acknowledged that both Russia and Ukraine continue to maintain "pretty strong red lines" but said US President Donald Trump remains committed to pursuing diplomacy.

"The President has told his team ...