A Fire Service command team, along with four pumps and an aerial unit have been sent to the scene of a reported explosion at a power station in Derry.
The Fire Service was notified of the incident at 7.31 pm this evening.
Fire chiefs said it involved the power station on Lisahally Road.
A spokesperson for Fire & Rescue Service said they could not confirm at this stage how serious the incident is or whether there was anyone inside.
A spokesperson said: “We are in attendance with four pumps and one aerial appliance at the minute. We have a command team on the way.”