Ojo Blanco fire now 75 percent contained near Tucson

A fire burning near Tucson is now 75 percent contained.

The U.S. Forest Service says the fire has burned 1,650 acres and caused authorities to give pre-evacuation notices to nearby residents.

The Ojo Blanco fire began burning on the east slope of Mount Fagan last week.

A lightning strike is believed to be the cause of the fire.