Mal Pope is the ambassador for the Swansea City of Culture bid. He said the campaign has been beneficial to the city, despite the result.
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Her suspension comes after she criticised Mr Hamilton for not supporting a policy on dignity and respect.
Aaron French-Willcox was just 19 years old when he was found dead while living in a tent in a park in February.
Police are searching for a man who fled on foot after his car collided with four vehicles - leaving a child with minor injuries.