Security tightened in Kolkata following Pune blasts

Kolkata, Aug 1 (PTI) A high alert was sounded in the metropolis tonight in view of the bomb blasts in Pune, Kolkata police sources said. Radio flying squads have been asked to maintain vigil in all sensitive areas of the city, the sources said. Special measures have also been taken to strengthen security around major establishments in the city, including the airport, the sources added.