ST. JOSEPH COUNTY, Ind. -- Drugs and weapons were seized and one person was arrested when local, state and federal law enforcement executed search warrants at three different residences in St. Joseph County on Tuesday morning.

The search warrants served were related to ongoing drug investigations.

At a home in the 400 block of Altgeld Street in South Bend, officers seized suspected methamphetamine, two firearms and over 100 rounds of ammunition.

At a home in the 23000 block of Fillmore Road, officers seized suspected cocaine and a firearm.

At a home in the 24000 block of Fillmore Road, officers seized suspected methamphetamine, cocaine, marijuana and heroin, paraphernalia, scales, packaging materials, multiple firearms and 800 rounds of ammunition.

Charles Robertson, 49, was detained on a preliminary charge of possession of methamphetamine.