![San-Diego-County-Sheriff-ge](https://media.nbcsandiego.com/2019/09/San-Diego-County-Sheriff-ge.jpg?quality=85&strip=all&resize=320%2C180)
A suspect attempted to sexually assault a woman at Community Park in Poway, the San Diego Sheriff's Department said Sunday.
An unknown man attempted to sexually assault the 34-year-old woman around 10:30 a.m. near 12988 Bowron Rd., deputies said.
When she screamed for help, a nearby witness intervened and the victim was able to call 911, the department said.
The suspect is described as approximately 5-foot-11 to 6-foot and 230 to 240 pounds with short white hair that is balding, wearing a cream or gray colored t-shirt and gray or black sweatpants or shorts.
Anyone with additional information can call Crime Stoppers at (888) 580-8477.