MOSCOW, Jan 13 (Reuters) - Russian military specialists are giving President Vladimir Putin options in case the situation around Ukraine worsens, but diplomacy must be given a chance, the TASS news agency cited Deputy Foreign Minister Sergei Ryabkov as saying on Thursday.
Ryabkov earlier said Washington's rejection of Moscow's key security demands was leading talks to a dead end.
(Reporting by Polina Devitt; Writing by Alexander Marrow)
