In Russia, security forces have been put on high alert after the discovery of five dead bodies in the south of the country.<br /><br />All the victims were shot dead and found in four cars outside the city of Stavropol, some 300 kilometres east of Sochi, the venue for next month’s Winter Olympics. <br /><br />Authorities said an improvised explosive device went off near one of the vehicles – but said no one was hurt. <br /><br />Russia has already increased security before next month’s games following last month’s twin attack in Volgograd, which saw suicide bombers kill 34 people.
