Early morning fire engulfs apartments in Martinez

Firefighters in Contra Costa County battled a fire at an apartment building on Arnold Drive in Martinez, early Tuesday morning.

The Contra Costa County Fire Protection District posted a photo of the fire on twitter.

Officials reported that crews responded to the fire on the 1200 block of Arnold Drive around 5 a.m.

The blaze went to a second alarm, with four apartments engulfed in flames.

There is no word yet on injuries, or how the fire started.

KTVU.com and KTVU's Mornings on 2 will provide updates throughout the day