Louise Evans from business advisors Grant Thornton says promotion could be worth up to £150m for the club and will have knock-on benefits for the city and Wales.
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Figures from the ONS show we are more likely to be a victim of fraud than any other crime.
Outbreaks of rain and drizzle will clear tonight with some late sunshine expected.
Two British schoolchildren seriously injured in a coach crash on the Swiss border remain in hospital in France.