(Reuters) - U.S. Secretary of State Antony Blinken spoke with NATO Secretary General Jens Stoltenberg on Thursday to discuss concerns about Russia’s military build-up on the borders of Ukraine, the U.S. State Department said.

       "They discussed NATO’s dual-track approach to Russia, noting the alliance remains ready for meaningful dialogue with Russia, while standing united to defend and protect allies," the State Department said on Thursday.

       (Reporting by Kanishka Singh in Bengaluru; Editing by Mark Porter)