Four persons, including a teenager, were killed and six others injured in separate road accidents in the city on Friday.

A biker was crushed to death by a speeding truck near Sector 15A.
Fortunately, his companion escaped with minor injuries.
"The victim, Rizvan Khan, is a resident of New Seelampur. He was a property dealer and had come to Noida for some business. The accident happened when he was on his way home," said Arun Kumar Singh, SHO, Sector 20 police station.
In another incident, an 11-year-old boy, Golu Singh, died when the truck he was travelling in turned turtle in Dadri. Five others were injured.
They were rushed to a private hospital.
"They were discharged soon after being administered first-aid," said the SHO, Dadri police station.