Moscow ( CNN ) -- Someone phoned in a bomb threat to the Moscow Aviation Institute on Tuesday , prompting the evacuation of 7,000 students from all 12 buildings at the institute , officials said . The threat was specific to one building , but all 12 buildings at the institute were evacuated as a precaution , Moscow police said . Police have been combing through the buildings with sniffer dogs . Security in Russia has been a global concern recently as the Sochi Winter Olympics take place about 1,600 kilometers ( 1,000 miles ) south of Moscow .
The threat was called in to the Royal Polytechnic Institute . The threat was specific to one building , but all 12 buildings were evacuated . Police have been combing through the buildings with sniffer dogs .