Firefighters called for a tier 1 response. One of the fires burned about an acre before they were able to put it out.
RELATED: 10,000 fireworks explode over San Francisco for July 4th
While they were fighting that fire, video from the scene shows several fireworks displays shooting off in the sky on Wednesday night.
What appeared to be a police helicopter was also flying in the area with a spotlight shining down.
Here’s your picture of the morning-— Matt Keller (@MattKellerABC7) July 5, 2018
San Jose firefighters battling a grass fire on the 4th of July while fireworks explode in the background. pic.twitter.com/al9ub3Pf8h