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.

Pasadena Fire Department crews say that significant wind in the area is causing the flames to act erratically and spread quickly. Multiple structures were threatened, according to city spokesperson Lisa Derderian.

Authorities evacuated a senior center as the Eaton Fire spread through the Angeles National Forest near Altadena and Pasadena Tuesday night.