CONTRA COSTA COUNTY -- In an early-morning sweep, over 50 law enforcement officers arrested 10 people who violated their probation or parole in east county, the Contra Costa County Probation Department announced Thursday.

In addition to the arrests, officers also seized two guns and drug paraphernalia. Officials did not release the identities of any of the people arrested.

Police from Brentwood, Antioch, Pittsburg and Oakley, as well as the Contra Costa District Attorney's Office, the Contra Costa County Sheriff's Office, Immigration and Customs Enforcement, and the FBI assisted in the operation.

Contact Katie Nelson at 925-945-4780 or follow her at Twitter.com/katienelson210.