Thomas Ableman from Chiltern Railways explains how they are expecting a lot of business for the new service.
Virgin Trains, who operate on the West Coast Mainline, say that competition is good for customers and it has more frequent, faster services.
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Heavy, thundery showers will clear northwards through the morning, allowing it to turn drier and brighter for many.
Heavy and thundery showers slowly moving north giving way to drier and brighter spells by the afternoon.
Residents in Kings Heath say they predicted an accident yesterday which left an elderly pedestrian critically injured.