The Assam Police on Tuesday released the sketch of one of the people suspected to be involved in the October 30 serial bombings in the state. The 12 blasts in four towns in the state killed over 70 people and injured over 300. There were six near-simultaneous blasts in Guwahati at about 11:30 am on October 30 in crowded market places --Ganeshguri, Pan Bazaar Fancy bazaar and the District Court complex. The high-intensity blasts set off fire in several areas.