According to the Los Angeles County Sheriff's Department, five people have died in the blaze that has moved through Pasadena, Altadena, and the Angeles National Forest.

The blaze threatened the observatory and communications infrastructure at the peak. Later, an observatory official said it appeared to be under control.

The Eaton Fire that started in the foothills northeast of Los Angeles flared up Thursday morning near Mount Wilson. The peak high above the San Gabriel Valley is home to communication towers and equipment for the Los Angeles vicinity,