"Billings Police Alert Public to Dangerous Devices Found on Roadways"

TL;DR
Police in Billings, Montana are investigating a series of incidents involving suspicious devices being left in roadways across the city. The devices, made of tin foil and flammable material, combust when run over. No injuries or damage have been reported, and authorities are working to locate those responsible. Residents are urged to be cautious and report any suspicious activity to the police.
Want the full story? Read the original reporting
Read on KULR-TV