NW OKC animal warehouse catches fire

A warehouse housing several animals caught fire Friday morning in northwest Oklahoma City, according to firefighters.

The Oklahoma City Fire Department says the fire began at around 1 a.m. at a warehouse near Northwest 122nd Street and North MacArthur Boulevard.

Firefighters on the scene say heavy smoke was throughout the structure when they arrived.

It is unknown if any animals were harmed in the blaze.

The cause of the fire is under investigation.