The latest in the US comes out of Baltimore, where a police officer has been indicted for assault on a man inside a grocery store who was merely wearing his mask "improperly" according to local media reports.

What's more is the man was on crutches. Baltimore detective Andre Maurice Pringle has been indicted by a grand jury for second degree (misdemeanor) assault and misconduct after last April he shoved 25-year old Brandon Walker to the ground. 

Walker is said to have entered the grocery store with a face mask on top of his head, instead of covering his mouth and notes. 

When Officer Pringle was called by store management to intervene, things escalated. Here's how prosecutors described the ordeal which led to Walker's head getting slammed to the ground:

Walker, who was using a crutch and had a cast on his right foot, refused to pull the mask down over his mouth and nose, according to the release and indictment. A store manager called Pringle, who was working in the store, for assistance.

"Officer Pringle, who was in full BPD uniform at the time, approached Walker and advised him that he had to leave the store," prosecutors said. "The two began walking towards the exit. Walker was yelling and cursing at Officer Pringle as they continued towards the automated entry/exit doors."

Once in the vestibule, Walker stopped and "glared" at Pringle, prosecutors said. The officer allegedly grabbed Walker by his jacket, shoved him outside, and then slammed him to the ground face-first causing Walker to hit his head on the pavement.