Open this photo in gallery: The LeBreton Flats area, west of Parliament Hill in Ottawa.Adrian Wyld/The Canadian Press Plans for a new National Hockey League arena and events centre in downtown Ottawa have taken a major step forward with the National Capital Commission announcing that it will sell off 4.5 hectares of land in the city’s LeBreton Flats area. The NCC and Capital Sports Development Inc. (CSDI), a group led by the NHL’s Ottawa Senators, released a joint statement Monday on an agreement in the long-running effort to develop a stadium to replace the 29-year-old Canadian Tire Centre. The Senators...