Mills undecided over possible GB switch

Joanna Mills has yet to decide on her future international allegiance following her omission from Ireland's Olympic relay squad.

However, Mills insists that there has been no falling out with the other members of the Irish 4x400m squad who travelled to London.

"We all know if we're going to be on a team together in the future that we need to get on so there's no point in making it awkward now," Mills told BBC Sport.

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