Burger King Holdings Inc. has been in talks with potential buyers in recent weeks about a possible sale of the second largest hamburger chain, people familiar with the matter said.

The status of the talks is unclear but one interested firm was New York-based investment fund 3G Capital, these people said.

Burger King has faced tough times in the aftermath of the financial crisis, as a sluggish recovery and daunting jobless numbers in the US continue to hurt the fast food chain.

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