A 50-year-old passer-by was killed after getting hit by a bullet fired by a miscreant at a policeman in Delhi's Nand Nagri area, police said. On inquiry, the car sped away, but the constable tried to chase it. During the chase, a man from the car opened fire at the constable, but the bullet hit a passer-by. The culprits managed to escape. The victim was immediately rushed to Guru Teg Bahadur Hospital, where he was declared 'brought dead' by the doctors. The police have registered a case under Section 302 of the IPC and teams have been formed to nab the accused.