The Multnomah County Sheriff's Office and anti-drug activists are warning of a new, brightly colored form of fentanyl called "Rainbow Fentanyl" and its particular risk to children.

The sheriff's Special Investigations Unit said it recovered the new form of the drug at a recent execution of a search warrant at a suspect's home in Northeast Portland. The sheriff's office said the powder form of the drug is deadlier and more potent because it can be easily dispersed into the air and inhaled or ingested.

"We’ve been hearing about this over the last six months, about it working its way up the West Coast, and it is now here in Portland,” said a SIU deputy in a video provided to KATU by the sheriff's office, which did not identify the deputy because of the nature of his work.

“I had heard about it, but we had not actually heard that it had reached Oregon, and it was just a matter of time," said Kelly Sloop, a registered pharmacist and executive director of the group Need4Narcan, which works to raise awareness of the dangers of fentanyl and to distribute Narcan, the lifesaving opioid overdose reversal drug.... Read More: kafu