Deputies investigating after shots fired at Cherry Creek State Park swim beach in Aurora

Deputies had to partially close the swim beach at Cherry Creek State Park in Aurora on Sunday after they say someone there used a firearm.

According to the Arapahoe County Sheriff's Office, a person fired multiple rounds in the area around 3:30 p.m. No injuries were reported, and the sheriff's office says six people have been detained. More information on what led up to the incident has not yet been released.

Authorities closed off a portion of the swim beach due to the resulting investigation. Deputies are working with park rangers to clear the beach and search for evidence, with assistance from ACSO K9 units.

The sheriff's office does not yet have an estimate on when the swim beach will reopen.