A woman working at a community pool was sexually assaulted Friday, Fairfax County police said.

Police are seeking information to identify a suspect.

Police said that the victim, a 20-year-old woman, was working at a pool near Yarling Court in Falls Church. The suspect, described as a white man in his late 20s or early 30s, struck up a conversation with her. He then displayed a weapon and sexually assaulted her, police said.

A police spokeswoman said the pool is not operated by the county.

Anyone with information about the crime is asked to contact Fairfax County police at 703-691-2131 or via www.fairfaxcrimesolvers.org.