Police in Providence say they have made 30 arrests as part of a 10-month investigation into opioid drug dealing in Rhode Island and Massachusetts.
Police say six of those arrested as part of "Operation Stop the Flow'' are high-level dealers.
They include 26-year-old Johan Jimenez of Providence, who was identified as the lead supplier of heroin and fentanyl in the city.
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He and the others face multiple felony charges.
Jimenez was being held Thursday. It was not immediately clear if he had hired a lawyer who could comment on the charges.
Authorities say city dealers were selling 50 doses of fentanyl for about $120 to lower-level Massachusetts dealers, who would re-sell the drugs at marked-up prices.
Police say more arrests are possible in Rhode Island and Massachusetts.