In northwest Delhi's Mukherjee Nagar a 20-year-old student was killed after his scooter was hit by an unidentified vehicle. The police as per the sources news said 'The incident happened last night when Sumit was riding a scooter with his friend Naveen riding pillion' Sumit died on the spot while Naveen has been admitted to a hospital in critical condition.They are natives of Sonepat and were staying in Mukherjee Nagar, preparing for competitive exams, police said. Also Read: Seven lost their lives as tanker collided with an SUV Two robbers arrested after encounter Farmer commits suicide in Punjab