In Manipur, six persons have been injured in three bomb blasts in Imphal last night. The first blast occurred at 8 pm at Alu Gali in Thangal Bazar at the heart of the state capital Imphal. The second blast took place minutes after the first one at a distance of about 100 metres. Four persons including a minor girl have been injured in the two incidents.In another blast, two persons have been injured at Canchipur under Singjamei Police Station in Imphal. The blast took place at around 10 pm at the residence of State PWD Chief Engineer. One Manipur Rifles personnel and the driver of the Chief Engineer sustained injuries in the attack.