Washington D.C., Dec. 11 -- : President Donald Trump has warned Russia against interfering in US elections and urged a resolution to the country's conflict with Ukraine, the White House said on Tuesday.

US Secretary of State Mike Pompeo had clashed with Russian Foreign Minister Sergei Lavrov during a news conference earlier in the day when the Russian diplomat denied any evidence of his country's interference in the 2016 presidential election according to The Washington Post.Pompeo declared that interference had happened and "it's unacceptable."

"President Trump warned against any Russian attempts to interfere in United States elections," a brief White House summary of the meeting said, without elaboration.

Trump has repeatedly questione...