Jay-Z Yankee Stadium concert delayed for several hours amid lockdown triggered by crowds rushing security

Jay-Z famously sang about having "99 Problems." On Sunday night, he had a hundredth one: crowd control.The July 12 Jay-Z concert at Yankee Stadium was delayed by more than five hours due to waves of people, who were not ticket holders, storming into the venue past paying attendees.The incident unfolded Sunday night when hundreds of people rushed past ticket holders at several stadium entrances, breaching security in some cases, according to the New York Yankees, Jay-Z's entertainment firm Roc Na