“According to police, a man walked by a parked car in north Minneapolis about 5 p.m. Thursday and confronted the people inside after they threw food wrappers on the ground. They ignored him until he paused to get the car license number. The men then got out of the car and indicated they had guns…Inside, the officers found a hand grenade, handgun, assault rifles and magazines and a large quantity of ammunition, the complaint said. They also found cellphones, computers and electronics equipment, including drone parts. Bomb squad personnel called to the scene noted that the large amount of ammunition and electronic devices could be used for bomb-making…”

Litter: more harmful than you realize.

“Routine arrest leads Minneapolis police to arsenal,” Star Tribune, May 15, 2017 (thanks to Undaunted):