In Manipur, at least seven Assam Rifles jawans were injured in a bomb blast in Bishenpur district on Sunday when the para-military force personnel were jogging in a road. The condition of some of the injured was stated to be serious.Official sources said, the bomb, allegedly planted by militants, exploded at Kumbi area. The injured were taken to their post of 33rd Assam Rifles located at Sendra, about 4 km from the spot.The sources said it was not yet known what kind of bomb was used by the ultras.No individual or group has claimed responsibility for the incident so far.