A security guard and father of six has been shot dead at work after reportedly refusing to let a man into a supermarket without a face mask.
Calvin Munerlyn, who was affectionately known to his family by his childhood nickname 'Duper', was at work on Friday when the shooting took place.
The 43-year-old was found by police responding to an emergency call, at the doorway of a Family Dollar store in Michigan, USA.
He was rushed to hospital, but died in hospital from a gunshot injury. The eldest of Mr Munerlyn's sons also works at the same Family Dollar store but was not present when his father was killed.