A collapse of the euro currency was not unthinkable if it comes under too much strain, billionaire investor Warren Buffett told CNBC on Thursday.

Enough of a strain could cause it to fall apart, Buffet told the news channel. I know some people think it is unthinkable, I don't think it is unthinkable.

(Reporting by Matthias Williams; Editing by Aradhana Aravindan)

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