Four labourers were killed and another four were injured when a speeding car ran over them on the Safdarjung flyover in New Delhi in the wee hours on Monday. Police said, the driver of the Honda City car, while descending from the flyover, lost control and ran over the labourers, killing two on the spot at around 2 am. Two others died at AIIMS while others have been admitted to the hospital. The driver is absconding. Police are questioning two of his friends.