They were called to the incident Monday morning in Castledawson near Magherafelt.
Mid Ulster Police said: “The Castledawson Road roundabout in Magherafelt is closed due to a traffic collision. Read more:Motorcyclist killed in Westlink crash Motorists are advised to avoid the area and look for alternative routes for their trip. Trafficwatch NI added that the PSNI, the Fire and Rescue Service of Northern Ireland and the NI Ambulance Service were all at the scene of the “serious” accident. Read more: Northern Ireland rider dies at Kells Road Races in County Meath Read more: Isle of Man TT: Peter Hickman pays tribute to competitors killed in 2022 event For the latest breaking news directly to your inbox, subscribe to our newsletter here.