Three members of a family were injured after a high-speed Mercedes, allegedly driven by a 17-year-old boy, crashed into vehicles inside the Mumbai Coastal Road tunnel in south Mumbai, police said on Monday, reported news agency PTI.

The incident occurred in the early hours of Sunday when the luxury car, travelling towards south Mumbai, struck another vehicle from behind inside the tunnel. The impact caused the Mercedes to ram into a second car ahead, an official from D B Marg police station said, reported PTI.