Lance Armstrong has pulled out of the swimming competition he was due to take part in this weekend in Austin, Texas, Sky News report.
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British number one Heather Watson will meet World number one and current Wimbledon champion Serena Williams in the third round today.
A minute's silence will be held across the UK at midday to remember the victims killed in the Tunisia beach attack a week ago.
Jim Carrey apologises after using a photo of an autistic boy to promote his claims vaccines contain harmful neurotoxins