India, March 5 -- A 23-year-old motorcyclist was decapitated after a speeding unidentified vehicle rammed his bike and fled the scene in a hit-and-run accident on Palm Beach Road in Navi Mumbai in the early hours of Tuesday, leaving his 17-year-old pillion rider critically injured, police said.

The deceased has been identified as Prashant Vijay Jamdade, 23, who died on the spot after his head was severed from his body due to the impact of the collision, according to police officials. The injured survivor, Harman Kaur, 17, is undergoing treatment for multiple injuries at DY Patil Hospital in Nerul. She is in a critical state, said police.

An FIR has been registered against an unidentified vehicle driver at the Sanpada police station unde...