Labor talks between the National Hockey League (NHL) and union representing its locked-out players broke off on Tuesday with no progress to report, raising the prospect that the first block of regular season games will soon be cancelled.

The two sides met for about two hours in New York where they discussed the definition of hockey-related revenue but did not address the core economic issues standing in the way of a new collective bargaining agreement.

"We don't really have any progress to report. As a matter of fact, no progress was made," NHL Deputy Commissioner Bill Daly told reporters. "Today wasn't overly encouraging, that's for sure."

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