Several agencies combined their efforts Wednesday night and early Thursday morning for a concentrated crime-fighting effort in Macon.

The operation began at 9 p.m. Wednesday and ended at 3 a.m. Thursday, according to a Macon police news release.

Representatives from the Macon police, Bibb County Sheriff’s Office, U. S. Marshal’s Southeast Regional Fugitive Task Force, the Bibb County Department of Juvenile Justice and probation officers participated in the operation, according to the release.

Authorities served nine outstanding warrants and made another 29 arrests for crimes ranging from giving false information to probation violations. Officers wrote 13 citations and seized a dozen guns, according to the release.

Macon police periodically concentrate their efforts for a specific time as a crime-fighting strategy, said Jami Gaudet, police spokeswoman.