Residents were evacuated in the early hours after an electrical substation burst into flames in Hayes, west London.<br /><br />Jonathan Blower filmed the massive fire just before midnight on 20 March.<br /><br />The blaze caused a power outage affecting 20,000 homes and forced Heathrow Airport to close.<br /><br />Emergency services brought the fire under control, but many residents were left without electricity.<br /><br />Major travel disruption is expected in the coming days.
