Authorities are looking for a missing woman from unincorporated Hayward missing since Saturday evening, according to the Alameda County Sheriff's Office.

Anna Hasanova, 88, only speaks Russian and has early stages of dementia, sheriff's officials said.

The California Highway Patrol issued a Silver alert in Alameda County at about 3:10 a.m.

She is described as a white woman who only speaks Russian, stands 5 feet 3 inches tall and weighs about 176 pounds with red hair and green eyes, according to sheriff's officials.