Footage of Conor McGregor and his crew storming the Barclay's Center has surfaced. McGregor and his entourage were on the scene for UFC 223 Media Day. According to TMZ, they attacked a bus leaving the arena with several UFC fighters. One person is reported to be injured. Sources say McGregor was upset that he would be losing his lightweight title. Allegedly there is a warrant out for McGregor's arrest, per UFC President Dana White: