Firefighters from multiple departments were battling a large fire in Chelsea Friday.

The Cambridge Fire Department said its crews was heading to the scene of a five-alarm fire, according to a statement on social media posted just before 12:30 p.m.

Video from WCVB’s helicopter showed large plums of smoke rising from multiple homes in Chelsea. Flames were visible from the roof of a home on Maverick Street, the video showed.

The street features densely packed multi-family homes on both sides, according to images of the road.

Details on the cause of the fire or the extent of the damage were not immediately available.

This is a developing story…