NEW YORK (WCBS 880) – Dirty heroin is being blamed for a rash of recent overdose deaths in Westchester County.

WCBS 880’s Catherine Cioffi reports two of the deaths and a near overdose were in Yorktown.

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“Well, this is a type of heroin that is coming out of Mexico, it’s called Black Tar. It goes under the street name of Avatar and White China,” said Yorktown Police Lieutenant Kevin Soravilla.

WCBS 880’s Catherine Cioffi with details on the lethal batch of heroin.

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Soravilla said he’s worried and they’re trying to get to the source.

“It’s not only that it’s habit forming and extremely addictive, in cases of this Mexican Tar…you’re really playing with death. Very lethal, synthetic form of Heroin,” said Soravilla.

The heroin is cheap, said Soravilla, which makes it more accessible.

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In the meantime, he’s warning parents to be on the look out for warning signs that their children might be taking drugs.