Storm causes damage to the roof of store in Derry retail park
Fire crews dealing with incident at Lisnagelvin
Emergency crews are currently dealing with an incident at Lisnagelvin Retail Park in Derry.
There are few details at present but it is understood that the storm in the last few hours has caused damage to the roof of at least one of the stores in the Waterside park.
Staff at the store have been told to go home.
There has been torrential rain along with thunder and lightening in Derry this afternoon.
There has also been heavy flooding in some parts of the city, including Foyle Road, Fountain Hill and Dungiven Road.
Motorists are being asked to drive with extreme caution in these difficult circumstances.