MOSCOW (Reuters) - The United Nations is “shocked” by the sudden death of Russia’s envoy to the world body, Vitaly Churkin, and has extended its condolences to Moscow, TASS news agency cited a representative for U.N. Secretary-General Antonio Guterres as saying on Monday.

Earlier the Russian foreign ministry announced the death of Churkin, who would have turned 65 on Tuesday, but gave no details.