New Delhi, Sep 18 (IANS): Seven pedestrians were knocked down by a city bus that went out of control in Old Delhi area on Friday when the driver suffered a cardiac arrest. Two of the pedestrians died, as did the driver, police said.

The incident occurred around 2.15 p.m. near Kotwali police station close to the crowded Chandni Chowk area in the walled city, a police official said.

Of the pedestrians, Keshu Prashad, 55, whose face was smashed in the incident, and Suraj, 21, who was crushed under the wheel, died on the spot. Five others -- Santosh Kumar, 19, his brother Mahender Kumar, 24, Rajesh Kurma, 45, Suriender, 30, and Raj Kishore, 22 -- were left injured.

Bus driver Wajid Ali, 40, a resident of east Delhi, who was rushed to Sushruta Trauma Centre was declared dead due to cardiac arrest. "We received five patients, two of them were brought dead," S.M. Basna, chief medical officer of Sushruta Trauma Centre, told IANS.

Three other injured persons were taken to Lok Nayak Jai Prakash Hospital, where one of them, Suraj, was declared brought dead, a police official said.