BATON ROUGE — A man was arrested after police seized a massive amount of drugs—including more than 4½ pounds of fentanyl and 150 pounds of meth—from three Baton Rouge addresses, Baton Rouge Police said Thursday.

Cendy Sammy Keophimanh was arrested on multiple drug and gun possession charges, including possession with the intent to distribute fentanyl, methamphetamine and heroin. He was also arrested for possessing stolen guns, as well as Adderall, cocaine and alprazolam.

Baton Rouge Police's Special Investigation Unit raided addresses on Keaty Drive, Adams Avenue and Vermillion Drive on Wednesday and Thursday. It was during these raids, police said, that they seized:

- 4.63 pounds of fentanyl
- 150 pounds of methamphetamine
- 546 grams of heroin
- 1,061 grams of black tar heroin
- 478 grams of marijuana
- 22 doses of alprazolam

Police said they also seized six guns, including a stolen assault rifle