The St. Clair County Drug Task Force says six people were arrested Tuesday during a narcotics investigation along the 26-hundred block of 24th Street in Port Huron Township. Officers seized crack cocaine worth about $1-thousand dollars, and about $2-thousand dollars worth of heroin, as well as marijuana, $177-dollars in U.S. currency, and other prescription drugs. Taken into custody were a 36-year-old man and 37-year-old woman, both from Port Huron Township, a 33-year-old Port Huron man, a 22-year-old Detroit man, and a 21-year-old woman and a 20-year-old woman, both from Pontiac. Charges are expected to include possession with intent to deliver, maintaining a drug house, frequenting a drug house, and habitual offender. The suspects are lodged at the St. Clair County Jail to await arraignment.