Crews investigating explosion at Timet Plant in Caernarvon Township

CAERNARVON TWP., Pennsylvania (WPVI) -- Crews in Chester and Berks counties are investigating an explosion at the Timet Plant in Caernarvon Township.

The call came in just before 2:30 p.m. Thursday at the plant located on the 900 block of Hemlock Road.

The view from Chopper 6 showed damage to the roof of the building.

The plant is used to make titanium materials.

No injuries were reported.

The cause of the blast is still under investigation.