7 July 2011 Updated at 21:20 ET
Warren Buffett donates another $1.78bn to charity
Warren Buffett is worth an estimated $50bn
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Billionaire US investor Warren Buffett has donated another $1.78bn (£1.1bn) to several charities, with most going to the Bill and Melinda Gates Foundation.
link-
http://www.bbc.co.uk/news/business-14074481