R&B singer Khalil has threatened Justin Bieber's fans, who recently waited for the pop star outside a club in Miami.

Bieber and his friend Khalil were partying at a club in Miami and they reportedly left around 4 a.m.

In a video, Bieber was seen being nice with his fans during his way out of the club. He expressed his gratitude toward his fans and even posed with some of them for pictures.

Khalil, on the other hand, seemed upset with the crowd who got in his way, threatening them by mimicking the way a person shooting a gun and repeatedly shouting: "That's how a n**** gets shot", reports aceshowbiz.com.

Bieber had even posted two pictures featuring him and his fans on Instagram.