A man was seriously injured Saturday in an apparent explosion inside the same Utah home where police found a cache of weapons and explosives in July.

Deputy fire chief Ryan Lessner with the South Jordan Fire Department told Fox News that firefighters arrived at the South Jordan home and found a middle-aged man with severe lower leg injuries.

Authorities have not publicly identified the victim, but the home was raided in July after its owner, Ryan McManigal, was arrested for manufacturing explosives and on suspicion of firing a weapon at police officers. Investigators reportedly found bomb-making materials, weapons and more than 4,700 rounds of ammunition in the home at that time, and McManigal remains in Salt Lake County Jail on those charges, the network reported.

Read more: WHIO