Olympics hockey: Great Britain's women thrash Japan in opener

Great Britain's women began their campaign for hockey gold with a thumping 4-0 victory over Japan in Group A at the Riverbank Arena.

Alex Danson gave GB the perfect start with a reverse-stick finish after seven minutes and Sarah Thomas, Sally Walton and Danson made it four by the break.

Britain will play South Korea in their second group match on Tuesday.

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