It is a head-spin development from the fight the 76ers have lodged over the last two years when it sought to build a new arena in Chinatown and close to the city’s center, and as it went to battle with Comcast,

Plans to build an arena for the Sixers in Center City have fallen through, and the team plans to stay in South Philadelphia, sources close to the negotiations say.

The Philadelphia 76ers are staying in South Philadelphia in the latest -- and likely final -- twist in their quest to build a new arena. The Josh Harris-owned 76ers and the NHL's Flyers (owned by Comcast Spectacor) made an announcement Monday morning that the two teams will continue sharing a home in the South Philly Stadium Complex and will build a new arena slated to open by 2031 in a "50-50 joint venture.