Hotel / Restaurant, Restaurant Vallejo, CA – Sprinklers help limit damage in early morning restaurant fire April 28, 2015 viking210 Vallejo’s Rubio’s Fresh Mexican Grill will be closed for a week or more after suffering damage from a fire early Sunday that was still under investigation Monday, Vallejo Fire Department officials said. Firefighters responded to a reported structure fire at the Plaza Drive restaurant at about 5:22 a.m. Sunday and arrived to find the sprinkler system activated, Fire Prevention Manager Vince Sproete said. “The sprinklers kept the fire contained until crews arrived” and extinguished the small blaze that remained, he said. Fire damage was minimal and water damage, moderate, he said. All the surrounding establishments — Kaiperm Federal Credit Union, GameStop and Cold Stone Creamery — remain open for business, Sproete said. The fire’s cause is officially undetermined at this time, and Fire Department officials are working with the Vallejo Police Department on the ongoing investigation, he said.