Many residents fled the Altadena and Pasadena area due to the blaze that has consumed more than 10,000 acres with zero containment, according to Lisa Derderian, a city of Pasadena’s information officer. More than 800 people were at the evacuation center, Red Cross volunteers said Wednesday morning.

A fire broke out Tuesday night in the hills above Altadena near Eaton Canyon, prompting a response from firefighters. Pasadena spokeswoman Lisa Derderian said the fire is at 20 acres. The fire broke out in the foothills at around 6:28 p.m. but she did not know exact location at the time. Pasadena fire officials are on the scene.