LeBreton Flats redevelopment talks have failed; Melnyk says 'alternative' arena locations could be explored

A last-gasp effort has failed to rescue the $4.1-billion redevelopment of LeBreton Flats, sidelining the prospect of an NHL arena downtown to anchor an ambitious remake of the western core of the city.
The National Capital Commission announced Wednesday morning that mediation talks led by retired judge Warren Winkler couldn’t reach a settlement in a dispute among partners of RendezVous LeBreton, a consortium that has spent four years and more than $4 million in planning work.
The failure,