New video has emerged of a knife-wielding man being shot dead by police in Missouri, just days after the killing of unarmed teenager Michael Brown sparked days of public anger.
In the second shooting, the 23-year-old African-American was carrying the weapon as officer approached him following reports of a robbery, St Louis police said.
In the video, a voice can be heard saying "Shoot Me! Shoot Me! Shoot Me Now!"
He is repeatedly told to drop his weapon before several shots are fired.
The shooting took place about four miles (6.5km) from the site of Mr Brown's killing in Ferguson on August 9.
The suspect, identified as Kajeme Powell, ignored orders to drop the knife and continued to approach the officers, coming "within three to four feet" before they opened fire, said St Louis Police Chief Sam Dotson.
Witnesses confirmed the police account.
The video emerged after Attorney General Eric Holder travelled to Ferguson and met with Mr Brown's parents in an effort to quell protests, sometimes violent, that have been taking place for the past 10 days in the town.
In your opinion, was this a justified shooting? Why / Why not?