De’Von Pickett, Minaj’s tour manager, died after being rushed to hospital with multiple stab wounds. He was just 29 years old.

Minaj shared the news on her Twitter page, telling followers: ‘Two members of my team were stabbed last night in Philly. One was killed=. They had only been there for two days rehearsing for the tour.’

She added that the incident was: ‘Another senseless act of violence that too the life of a great guy.’

Rihanna also paid tribute to Pickett, who she worked with on her tour, writing: ‘Can’t believe this is true! one of the nicest, coolest, funniest people I’ve ever met and toured with! We had so much fun together!!! Sad to lose a beautiful spirit like yours#RIPDayDay.’

Singer K.Michelle had also worked with the deceased, writing: ‘I’m in real shock….my heart is broken.’

Another member of the team, Eric Parker, 27, remains in a critical condition in hospital today.

According to news reports, an argument broke out inside Che Bar & Grill in Philadelphia between the tour team and the perpetrator, who then fled the scene.

Police are still searching for the suspect, who was seen driving off in a gray Buick LeSabre. He is thought to be around 30 years old.