( CNN ) A member of rapper Nicki Minaj 's touring crew died and another was critically injured early Wednesday during a stabbing in Philadelphia . `` Two members of my team were stabbed last night in Philly . One was killed , '' Minaj tweeted . `` They had only been there for two days rehearsing for the tour . '' Philadelphia police identified the victims as De'Von Pickett , 29 , who went by Day Day , and Eric Parker , 27 . They went to a bar with friends late Tuesday in Philadelphia 's East Mount Airy neighborhood . `` They got into some type of verbal altercation with several other males which quickly escalated into a physical confrontation , '' Philadelphia police Capt . James Clark told CNN affiliate WPVI . `` One of those males pulled out a knife and stabbed both of them multiple times . '' They were taken to a local hospital , where Pickett was pronounced dead and Parker is in critical condition . The stabber drove away from the bar . Police are checking surveillance video in the area , WPVI reported . Singer/songwriter Candace Wakefield tweeted a picture of the victims . `` Praying for the families of E and Day Day , '' she said in a Twitter post . `` These 2 were a joy to be around . Sending strength and ❤️ to @ nickiminaj . '' `` These guys flew into Philly for my tour rehearsals 2 days ago and were both stabbed last night . # RIPDAYDAY , '' Minaj said on Instagram . `` Condolences to your family . Unbelievable . ... Another senseless act of violence that took the life of a great guy . So sad . '' Police are offering a $ 20,000 reward for the arrest and conviction of the stabber , WPVI reported . CNN 's Philip Cantor and Rick Martin contributed to this report .
De'Von Pickett and Eric Parker got into an argument with several other men outside a bar , police say . The two were arrested on suspicion of disorderly conduct after the fight at around 1:30 a.m. in front of the Bar & Grill restaurant near Interstate 35 and Highway 59. Police are offering a $ 20,000 reward for the arrest and conviction of the stabber , station reports .