A huge explosion rocked an electric substation in North Yorkshire and left 22,000 homes without power. The blast sparked a huge fire and sent smoke streaming into the sky at the substation in Saltburn, Yorks, Cops and emergency services rushed to the scene. Cleveland Fire Brigade said it was called to the incident at Windsor Road in Saltburn, shortly before 7pm. A spokesperson for Cleveland Fire Brigade said: "Following a power surge, there was an explosion in an electrical box." No-one has been reported injured, but homes and businesses in Redcar, Teeside and Hartlepool have also been affected. Residents are being warned to stay away from the area near the substation. Northern Powergrid said that its engineers are on the scene and underground cables had been affected in the blast. Power is not expected to be fully restored until 11.30pm tonight. Local resident Johanna Parks told The Northern Echo: "There seemed to be two loud bangs, then loads of smoke billowing. "There were lots of bursts of flames at first, then a long stream of fire." Other residents took to social media to say that they heard a "explosion" from the Windsor Road site, near Princes Road.