Firefighters are on the scene of a 3-alarm fire at a warehouse in Rochester Thursday morning. This is a breaking news story with more details to follow.

UPDATE:

Fire crews say a three-alarm fire at a warehouse in Rochester is now under control.

It happened around 4 a.m. at the Premier Metal Group building on Cairn Street. Someone saw smoke from Mt. Read Boulevard and called police.

Our news partner, News10NBC crews have been on the scene all morning long. Fire officials say titanium scraps were burning inside the metal warehouse.

The cause of the fire is still under investigation. No one was injured.

ORIGINAL:

Firefighters are on the scene of a 3-alarm fire at a warehouse in Rochester Thursday morning.

It happened on Cairn Street near West Avenue around 4 a.m.

Smoke and flames were seen coming from the warehouse.

This is a developing story. Our news partner, News10NBC has a crew at the scene and will provide updates at they become available.