Cardiff City coach Malky Mackay says the side must make sure they're in the game when they face West Ham tomorrow in the second leg of their play off semi final
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More than a thousand riders will be taking part in a series of events in and around the town.
Some warm spells of sunshine will develop, although scattered heavy and thundery showers are also expected during the afternoon.
A yellow 'be aware' warning has been issued by the Met Office for much of Wales.