John Askew from Digital UK explains how viewers watching through a digital aerial services like Freeview, BT Vision or Top-up TV will need to retune on Wednesday.
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The club says it is upset that comments made by its manager Ronnie Moore have been 'escalated'.
Most Sunderland fans have arrived at St James Park without any trouble, after a campaign for peace out of respect for the victims of MH17.
The Met Office have issued a yellow "Be Aware" warning of strong winds for the region for Sunday into Monday