FOUR PEOPLE died Tuesday in Anaheim from apparent drug overdoses (Shutterstock).

Anaheim police issued a warning to the public Tuesday about four persons who are believed to have died from overdoses of fentanyl or fentanyl-tainted drugs.

At 11:40 a.m., officers responded to a report of deceased woman in a motel room in the 800 block of S. Beach Boulevard. At 12:05 p.m., officers were sent to the 1700 block of S. State College Boulevard regarding a deceased man.

At 12:48 p.m., they were summoned to the 500 block of S. Anaheim Boulevard regarding a report of three men in physical distress. Two were pronounced dead at the scene and a third was revived through the use of Narcan. He was taken to a local hospital in critical condition.

Fentanyl is a synthetic opioid similar to morphine but which is considered to be 50 to 100 times more potent. According to the federal Drug Enforcement Agency, it’s intended to be used to treat people with severe or chronic pain. Narcan is a nasal spray used to treat opioid overdose victims.