FIREFIGHTERS were called to reports of underground explosions that were lifting the pavement.
Fire crews were called to Middleton Road in Ilkeston on Saturday lunchtime to an incident involving small explosions on the pavement caused by electricity.
A grate had been broken during one explosion.
A spokeswoman for Derbyshire Fire and Rescue Service said small bangs were heard from an electricity culvert.
The pavement was cordoned off following the incident, which happened around 11.20am.
The spokeswoman added: "By 12.10pm there was still a large number of explosions underground that were starting to lift the pavement."
The road was sealed off and Derbyshire Police attended.
By 12.30pm, the fire service were leaving the scene and left the matter in the hands of the electricity board.