Officials in Manchester say six people sought medical treatment after an anhydrous ammonia tank explosion last week in Manchester. The explosion occurred on August 23rd at Three Rivers FS. Officials originally had reported no injuries in the incident. Manchester City Manager Tim Vick said that six people transported themselves to the hospital after the incident. Five were discharged the same day, but one was hospitalized. Vick said he didn’t know their condition. No employees were injured, and the six individuals who took themselves to the hospital were nearby residents.