Traffic stopped in both directions on M1 near Wakefield after horses get loose on motorway
An accident involving a number of vehicles has been reported between Carr Gate and Flushdyke Interchange and police are on the scene.
Long delays are expected on the M1 northbound.
National Highways Yorkshire tweeted: "#M1 J41 for A650 Carr Gate #Wakefield, traffic is currently stopped in both directions due to a serious incident involving numerous horses loose on the motorway.
"#M1 J40-41 is currently closed due a collision near J41 involving a number of vehicles. We are on scene with @WYP_RPU and recovery is arranged. Long delays on M1 northbound."