MASON, W.Va. (WSAZ) -- Mason County Emergency Management officials are reporting that

they've responded to a dozen cases of people becoming responsive after using heroin -- just on Friday alone.

According to the agency's Facebook post, the number of people becoming unresponsive, or overdosing, after using the heroin continues to go up as the day progresses.

According to the post there is what is commonly known as a "bad batch" or extremely potent batch of heroin going around contributing to the problem.

Emergency crews are urging anyone who knows someone who uses heroin or intends to use the drug to stop them. They also say that if you notice they are suffering severe side effects, including decreased breathing, to please call 911 immediately.