Interior Ministry specialists investigate the site of a bombing in Karabulak
Interior Ministry specialists investigate the site of a bombing in Karabulak April 5, 2010. A suicide bomber killed at least two policemen in Russia's Ingushetia region on Monday, the latest in a spate of attacks that underscore the threat from an Islamist insurgency on Russia's southern flank. REUTERS/Kazbek Basayev (RUSSIA - Tags: DISASTER CRIME LAW MILITARY)