Firefighters battling 4-alarm warehouse blaze in Montgomery County

WEST NORRITON TWP., Pa. (WPVI) -- Firefighters are battling a major blaze at a warehouse in Montgomery County.

The fire was reported around 11:30 a.m. Monday in the 2500 block of Industry Lane in West Norriton Township.

Video from Chopper 6 showed flames and black smoke rising high above the building.

Chopper 6 was over the scene of a massive warehouse fire in West Norriton Twp., Montgomery County.

The fire was last reported to be at four alarms, with additional help being called in from Chester County.

Action News has learned the building houses a company that makes play areas.

There was no immediate word on the cause of this fire.

Stay with Action News and 6abc.com as this story develops.