Dazzling pink sky seen in Birmingham during stormGetty ImagesThe stadium lights sent the sky over Birmingham a vivid pinkAs rare snowfall blanketed much of the West Midlands on Thursday evening, residents were struck by an unexpected sight: a mysterious pink glow lighting up the sky. There was much speculation on social media as to whether the phenomenon was an unusually vivid sunset. Or was it the Northern Lights making a surprise appearance?The truth was far more down-to-earth. It turns out the source of the display were simple LED lights being used on the pitch at Birmingham City's football ground, St Andrew's, the club has confirmed. Getty ImagesOther aerial photos helped to trace the phenomenon to Birmingham City's football stadium Skies across the city turned a dazzling shade of pink with other images also shared from Hednesford in Staffordshire.