Four Bronx men have been arrested for allegedly being involved in a drug ring.Two of the men were arrested at a Pelham Gardens apartment building Monday night after DEA officials followed a car from a house in Westchester County to the building. Angel Thevenin, of Queens, was arrested in the Bronx after police say he left the Hartsdale home with envelopes filled with heroin. According to police, an hour after Thevenin was arrested, at least seven other individuals were stopped by police. The eight people now face charges including criminal possession of a controlled substance. They are being held at Westchester County Jail.