Russia imposes security clampdown in Sochi before Olympics

SOCHI (Reuters) - Russian forces went on combat alert in Sochi and tightened restrictions on access to the Black Sea resort on Tuesday, exactly one month before the start of the Winter Olympic Games.

Aware that the success or failure of the Sochi Games will help shape his legacy, President Vladimir Putin has increased security across Russia following two suicide bomb attacks in the southern city of Volgograd which killed 34 people.