CRANBERRY TWP — Fire crews quickly contained a fire this morning at Kawneer Cranberry on Unionville Road.

Firefighters were dispatched at around 6:50 a.m. and had the fire under control a little after 7 a.m.

No one was injured. Flames were confined to a part of the roof.

“The cause seems to be from a ventilation stack,” said David Gallagher, director of fire and emergency services and chief of the Stowe Township Volunteer Fire Department in Allegheny County. “I think the crews had the fire under control within 15 minutes.”

While the ventilation stack is suspect, no source has been confirmed, Gallagher said.

Crews cleared the site at around 9 a.m.