A member of Nicki Minaj’s tour crew is dead and another is badly injured after a knife attack outside a bar in Philadelphia.

Minaj broke the news on Twitter, saying that the two had flown into Philadelphia for rehearsals two days ago. Local police say two men, ages 29 and 26, were stabbed early this morning (February 19) outside a bar following a fight.

The 29-year-old was killed and the younger man is critically wounded and police are offering a $20,000 reward for information leading to an arrest..

Police say a man started arguing with the two victims inside the bar at about 2am and pulled a knife once they got outside. One of the victims has been identified as De’Von Pickett, Minaj’s tour manager.

Minaj said on Instagram that the stabbings are “another senseless act of violence that took the life of a great guy.”