U.S. urges Russia to pull troops in Crimea back to barracks

WASHINGTON (Reuters) - The United States told Russia on Sunday that it would not accept the results of Crimea's referendum on seceding from Ukraine and urged Moscow to pull its forces in Crimea back to their bases, a senior U.S. State Department official said.

The U.S. official was offering an account of a telephone conversation between Secretary of State John Kerry and Russian Foreign Minister Sergei Lavrov, who, according to a Russian statement, "agreed to continue work to find a resolution on Ukraine through a speedy launch of constitutional reform.