Islamabad, Rabi Al-Akhir 16, 1432, March 21, 2011 -- Three Pakistani policemen including an officer were injured in a bomb attack targeted at a police checkpoint this morning in the city of Gujranwala in Punjab Province. Police said the attack took place in 'Rail-Bazaar' area of the city. It was caused by a bomb planted by unidentified gunmen near the targeted point. The security forces have cordoned off the blast site and transported the injured policemen and the officer to a hospital in the city. --SPA 11:32 LOCAL TIME 08:32 GMT www.spa.gov.sa/875798