The Belarussian teenager Victoria Azarenka has clinched the first major title of her tennis career by beating the top seed and world Number one Serena Williams 6-3 6-1 in the Miami WTA hardcourt final.
Williams was bidding to claim a record sixth title and third in a row but was badly affected by a left thigh injury.
She double faulted five times, succeeded with only 54 per cent of her first serves and made 34 unforced errors.
Nineteen-year-old Azarenka saysd she was racked with fear as she served for the title, which will lift her world ranking to eighth.
