Russia security swoop after bodies found in Stavropol 9 January 2014 Last updated at 07:55 Russian security forces have been deployed in an anti-terrorist operation 300km (186 miles) east of Sochi, the venue for next month's Winter Olympics. It follows the discovery of five bodies in four cars in the Stavropol region. All victims had been shot dead. Local police said when investigators approached one of the vehicles, an improvised explosive device went off close by - but no-one was injured. Another explosive device was made safe. Security forces are on high alert. The Russian authorities have already tightened security in the Black Sea resort of Sochi to ensure that next month's Olympics are safe. Islamist threat About 37,000 police and interior ministry troops are now in place to provide security for the Games, which open on 7 February, Russian officials say. Russia's most wanted man, Chechen rebel leader Doku Umarov, has urged his fighters to target the Winter Games.