SEMINOLE COUNTY, Fla. – Officials in Seminole County are searching for a missing woman who they say suffers from autism. According to the Seminole County Sheriff’s Office, Saira Walsh, 23, was last seen wearing a sleeveless black and burgundy shirt with flowers on it, black shorts and black sandals. Investigators haven’t said where Walsh was last seen. [TRENDING: What La Nina could mean for rest of hurricane season | Bars allowed to open in Florida | Gator ambushes, attacks Florida woman]Deputies say Walsh is unable to care for herself. If you see her or know of her whereabouts, call 911.