Manchester City's Carlos Tevez was held by police yesterday as a result of "information provided", according to reports.
He was allegedly at the wheel of a white Porsche Cayenne when he was stopped by officers.
He was taken to a nearby police station for questioning before being bailed.
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Prince William and Prime Minister Theresa May are among those attending a service of remembrance at Manchester Cathedral.
Thousands got tattoos of the Manchester bee as a sign of solidarity after the attack, with their impact going beyond ink on their skin.
People are being encouraged to leave tributes and messages on the trees, which are on a trail in the city close to Manchester Arena.