Madurai: Police on Saturday released the sketch of the suspect who delivered a parcel bomb to a former activist of the banned Al-umma outfit here.
Police sources said the sketch of the unidentified youth would help police investigate in the right direction.
Police also announced a reward of Rs.10,000 for those giving information about the youth.
The bomb, delivered yesterday, was defused by bomb squad personnel. The special investigating team is probing the case.