(Springfield Twp)--Springfield Township police pulled over a 24 year old woman on Paddock Rd over I-75 around 8 o'clock Saturday night. Police say that during the stop she tried to swallow a bag of drugs and began choking. The officer involved used the Heimlich maneuver. He kept it up until medics arrived. She was taken to a hospital where she remains in critical condition. Police are not identifying the woman.