New Delhi, July 14 -- NEW YORK - When turnstiles buckled at multiple entrances to Yankee Stadium late Sunday night, the crowd waiting outside Jay-Z's sold-out third consecutive performance did not slow down. Security personnel scrambled, NYPD officers reached the gates in under a minute, and between 10,000 people still outside and a stadium capacity crowd already in, the line between a logistical failure and a public safety crisis compressed very fast.

The incident marked the finale of what Jay-Z had framed as a homecoming, three consecutive sold-out nights at Yankee Stadium for one of hip-hop's defining figures in the borough where he built much of his career. The Bronx residency had been among the most anticipated summer runs in New Yo...