BANGALORE: An engineering student was killed and his three friends sustained minor injuries after their car rammed into a tree on Sarjapur Road in the wee hours of Thursday.The deceased has been identified as Vighnesh S P, a native of Chennai, and his friends Avinash, Arul Modi and B Vighnesh, are being treated at a hospital in the city. Avinash, was a student of New Horizon College of Engineering, while the other three victims are first year mechanical engineering students at Chinmaya Vidyalaya, Chennai, Tamil Nadu. They had come on a vacation to Bangalore to meet Avinash. According to the police, at around 7 am, Avinash picked his friends from Madiwala Bus Stand in his Honda City car and they were heading to Avinashs home at Kadabeesanahalli in Electronics City.Meanwhile, a pedestrian tried to cross the road recklessly and came in front of their car. In a bid to avoid the vehicle from hitting the pedestrian, Avinash rammed the vehicle into a tree. Vighnesh, who was seated on the left in rear seat, sustained severe head injuries and succumbed while he was being shifted to a hospital.A case has been registered in Madiwala traffic police station.