Paramedics and fire fighters are currently at the scene of a three vehicle collision on Madams Bank Road, Derry.
The PSNI received reports of the three vehicle collision earlier on Tuesday afternoon.
The road is closed between Ballyarnett Roundabout at its junction with Racecourse Road and Glenabbey Road junction.
Motorist are being advised to avoid the area and seek an alternative route for their journey.
This is a breaking news story - more to follow.