Councillors have been holding talks about the route for a number of weeks but on Monday morning, hours before the procession was due to begin, they held a 90-minute emergency meeting where they failed to reach agreement over the flags issue.

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After the ceremony, the newlywed couple will follow the reverse of that route, this time in a carriage procession.

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It requires organisers to notify the police in writing of their intention to hold a public procession, and to provide details of the date, route and their own names and addresses.

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