A batch of illicit drugs that was mixed with fentanyl and other substances may have been the cause of a mass overdose in.

Baltimore City Police reported another series of overdoses in the Penn North area early Friday morning, less than a week after a mass overdose incident in the same neighborhood. According to officials

Baltimore police are investigating another overdose scare at Penn North. They confirm five people were taken to hospitals Friday, two are in serious condition. Police are canvassing the area as part of an ongoing investigation.

BALTIMORE — Federal scientists from the National Institute of Standards and Technology have identified a combination of substances believed to be responsible for a last week’s mass overdose in Baltimore’s Penn North neighborhood.

Just over a week after a mass overdose in Baltimore, emergency responders returned to the Penn North neighborhood after receiving several 911 calls about another "spate of overdoses."

Baltimore police tell 11 News the results of their testing are slightly different than what's been widely reported regarding testing from an outside lab. Police confirmed on Thursday they tested what they were given and were not part of the process of collecting that sample and cannot say if it was connected to the mass overdose.

Five people were hospitalized following an overdose in Baltimore's Penn-North neighborhood, with the mayor urging public action and an investigation into a drug cocktail is ongoing.

Baltimore Police raided what they described as an open-air drug market located around the corner from last week’s mass overdose in West Baltimore. Five people were charged, though not in