Thousands of homes were without power on Friday afternoon after a fire broke out at an electricity sub-station. Around 30 firefighters tackled the flames as they tore through the station on Worcester Road, Upton Warren in Bromsgrove , just after 12.50pm. One man was taken to hospital and firefighters wearing breathing equipment used compressed air foam to extinguish the fire. Electricity was cut off throughout parts of North Worcestershire and traffic lights were affected. There were reports of supplies in some areas having been restored by around 4pm. Western Power said 5,000 homes were without energy in the Upton Warren and Wychbold area. The company could not say when supplies would be restored. The fire was extinguished and crews from Hereford and Worcester Fire and Rescue Service were in the process of dampening down.Group Commander George Marshall said: "The electrical substation has been partially isolated and the firefighters in attendance are working hard to contain the fire." "Electricity supplies may be affected throughout the North of Worcestershire maybe affected. We are working hard with Western Power and hope to restore electricity as soon as possible" Six fire engines from Bromsgrove, Droitwich, Redditch tackled the blaze. Redditch firefighters urged drivers to take care as the fire knocked out supplies to traffic lights in Bromsgrove. They tweeted: "Serious fire in sub-station at Bromsgrove has caused power outages across the town affecting traffic lights so drive carefully."