Brits have been issued with a 'red alert' for Northern Lights with sensational sky display possible within hours. Stargazers are set to be in for a treat tonight with parts of the country set to be lit up and people in the far north of the country have been told to keep an eye out for the beautiful phenomenon later on. A red alert has just been put out by AuroraWatch UK, meaning a sighting is highly likely -providing the sky remains clear and not too cloudy. The best chance of seeing them in