PORTLAND, Ore. (AP) — Police say investigators have arrested a man suspected of causing an RV explosion in Northeast Portland. The Oregonian/OregonLive reports 26-year-old Jake Swingle on Monday was taken into custody on suspicion of arson, manufacturing a destructive device, possession of a destructive device and unlawful use of a weapon. Portland Fire & Rescue was dispatched to the scene about 8:41 a.m. Saturday on reports of a trailer on fire. Firefighters found smoke coming from inside the RV but no flames. The initial investigation indicated a blast had occurred outside the RV and that it came from an “explosive device.” No one was injured. It wasn’t immediately known if Swingle has a lawyer.