Bill Gates donates $4.6bn to charity

Bill Gates has given away $4.6bn (£3.6bn) to charity in his largest donation since 2000.
He remains the world’s richest person, despite giving away 64 million shares in Microsoft.
The shares are equivalent to 5% of his total fortune, currently estimated to be $89.9bn.
Since 1994 Mr Gates, 61, and his wife Melinda have given away a total of $35bn in cash and stocks to a range of charitable causes.
The donation was made in June but became public recently following the filing of a document with the US Securities and Exchange Commission.Mr. Gates’ share in Microsoft is now just 1.3%. Prior to this, Mr Gates gave away $16bn in Microsoft shares in 1999 and $5.1bn in 2000.