RIOTING broke out at MetLife Stadium tonight at the Summer Jam Concert. It was a hip hop/rap concert hosted by Hot 97. Tyson TrishVerified account â€@tysontrish OC gas being deployed outside MetLife Stadium Summer Jam concert @NorthJerseybrk East Rutherford, NJ Protesters threw bottles and glass objects at the police.East Coast 911 reported: EastRutherford Personnel continue to operate at MetLife Stafium, the venue for the Hot 97 Summer Jam music event this evening, where a riot & multiple fights broke out this evening. Law Enforcement personnel have had bottles/glass & other objects thrown at them. At least 1 trooper has been...