Wawrinka wins Australian Open

Stanislas Wawrinka becomes the Australian Open champion after beating an injury-hit Rafael Nadal in Melbourne.

Wawrinka withstood a fightback from the world number one, who was struggling with a back problem, to secure his first Grand Slam title 6-3 6-2 3-6 6-3.

The Swiss had never won a set, let alone a match, in 12 previous attempts against Nadal.

BBC Sport's Alex South reports.

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