Friday, the day after the accident, the girl, who was not identified, was in serious condition at Children's Hospital of Philadelphia with multiple injuries, including a compound fracture of the leg. "She's going to be OK," Chitwood said.
He said police found "several empty bags" in the vehicle that he suspects contained heroin, adding he was awaiting the results of toxicology tests.
He said Singh was driving in the unit block of Powell Street when the incident occurred about 5:30 p.m. Police patrolling the area in response to residents' complaints about vehicles' speeding and blowing through stop signs heard the screeching of tires. They then saw the Nissan go through a stop sign, and Singh was arrested a few blocks away at Marlborough Road and Chestnut Street.
He was being held on $200,000 bail at the Delaware County prison.
Chitwood said he was outraged by the incident.
"To just leave someone lying. ... You talk about cruel and unusual punishment," he said.
"These guys that run over people whether they're children or senior citizens or whatever, in my opinion they should be jailed and throw away the key."
Contact Anthony R. Wood at 610-761-8423 or twood@phillynews.com.