A 33-year-old tempo driver was arrested for allegedly robbing and killing his friend, whose body was found last week in a creek in Thane district of Maharashtra, police said on Thursday.

A local resident last Saturday spotted the body in a big plastic bag floating in the creek in Kalher area and alerted the police, Narpoli police station's senior inspector M B Shinde said. During the probe, the deceased was identified as Prasad Tiwari, 37, a resident of Mulund area in neighbouring Mumbai, who worked as a cash collection agent with a businessman, he said.