CAMDEN -- Attorney General Christopher Porrino issued a warning Wednesday after 14 people overdosed in the span of several hours on heroin laced with fentanyl.

The mass overdoses occurred in Camden, Porrino said in a Tweet. The conditions of the overdose victims was not immediately availabe.

NBC 10 in Philadelphia reported that the overdoses all occurred in a four hour span beginning around 10 a.m. The victims were all found in the south Camden area.

An arrest has been made in connection with the overdoses, NBC also reported.

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