Police say they've seized 3,139 fentanyl pills during raids in Calgary that turned up $700,000 in heroin, cocaine, meth and other narcotics.

Homes in the communities of Saddle Ridge, Radisson Heights and Douglasdale were searched on Aug. 8. Three Calgary residents were arrested.

Cong Nguyen, 36, Hoang Duong, 33, and Scott Smith, 29, face a total of 26 criminal charges between them, according to the Alberta Law Enforcement Response Teams (ALERT).

In addition to the fentanyl pills, the police also seized:

498 grams of heroin.

1.4 kilograms of cocaine.

885 grams of the cocaine buffing agent phenacetin.

1.1 kilograms of methamphetamine.

308 grams of GHB.

214 grams of MDMA.

8.9 kilograms of marijuana.

25 grams of cannabis resin.

$22,680 cash proceeds of crime.

ALERT is a provincially funded group of police officers who focus on organized crime. It includes members of the Calgary Police Service, Edmonton Police Service, Lethbridge Police Service, Medicine Hat Police Service and RCMP.