MOUNTAIN VIEW, Calif. >> Authorities say three people were injured after a fire broke out during Google’s I/O developer conference in California.

It happened today at the Shoreline Amphitheater in Mountain View.

Mountain View Fire Department spokesman Lynn Brown says three people were taken to a hospital and one had life-threatening injuries.

Google said in a statement that the “small fire” broke out in a kitchen at the venue and no conference attendees were hurt.

The company says the three people who were injured were event staff members and are receiving treatment.

Brown says investigators are working to determine what sparked the blaze.