Residents in Penllergaer, Swansea, got a shock this afternoon when they heard a small explosion.
An electrical transformer on the corner of the playground seems to be responsible.
Footage of the incident was captured on a doorbell camera – showing a large orange flame followed by a loud explosion.
Residents took to social media to find out what happened, with some thinking it was a lightning strike.
National Grid has been asked for comment.
Video edited by Alex Kunal.