![Gas leaked from poor fitting at Pennsylvania chocolate factory where seven died in an explosion](https://cdn.newsserve.net/en/knowledge/Pennsylvania_20190130.jpg)
Gas leaked from poor fitting at Pennsylvania chocolate factory where seven died in an explosion
Officials found that one of two leaks at the R.M. Palmer Co. plant in West Reading was fractured before March explosion.
Officials found that one of two leaks at the R.M. Palmer Co. plant in West Reading was fractured before March explosion.