Investigators begin pinpointing cause of deadly BP-Husky Toledo oil refinery explosion
![Investigators begin pinpointing cause of deadly BP-Husky Toledo oil refinery explosion](https://www.toledoblade.com/image/2022/10/31/600x_a4-3_cCM/refinery.jpg)
An accidental release of flammable chemicals ignited at the BP-Husky Toledo oil refinery, creating a fire that resulted in the deaths of two employees and resulted in substantial property damage at the refinery, an independent federal agency reported Monday