Several people were injured Monday in an accident that involved a tractor trailer and four other vehicles, emergency vehicles said.

The accident happened shortly before 3 p.m. in the 500 block of East Penn Avenue, at Reading Drive, in Wernersville.

There were initial reports of possible fire and entrapment, but officials have not released any details about the accident.

Emergency dispatchers said seven people were taken to the hospital for treatment, but they could provide no information about the extent of their injuries.

East Penn Avenue was closed between Krick Lane and Church Road for more than 90 minutes while crews removed the wrecked vehicles.