One person was killed and another seriously injured when a two wheeler Activa vehicle accidentally collided with a running passenger bus at Wangjing Bazaar at around 7.30 pm yesterday. The person killed in the road mishap has been identified as Naorem Krishnananda (46) son of krishnamohon of Kakching Senapati leikai. He was returning back along with one of his friend towards kakching in the Activa Vehicle. The pillion rider, which is yet to be identified, has been undergoing treatment at Shija Hospital Langol. The registration number of the bus which collided the Activa vehicle is MN-01 1633. Police has registered a case and the bus has been detained in their custody.