WASHINGTON, Oct 12 (Reuters) - Russia and China blocked a proposed consensus statement for the East Asia Summit drafted by Southeast Asian countries, mainly over objections to language on the contested South China Sea, a U.S. official told Reuters on Saturday.

U.S. Secretary of State Antony Blinken told Southeast Asian leaders Friday that the U.S. is concerned about China's "increasingly dangerous and unlawful" activities in the disputed South China Sea during an annual summit meeting,

Russia and China blocked a proposed consensus statement for the East Asia Summit drafted by Southeast Asian countries, mainly over objections to language on the contested South China Sea, a US official told Reuters on Saturday (Sunday in Manila).