A car crash on the M1 is causing heavy congestion in Leeds.
Two cars have crashed on the M1 heading northbound for the M1 and M621 split.
The cars are in lane four of six.
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Highways England tweeted this update: "#M1 Northbound J43 for #M1 #M621 split. 2 vehicle RTC in lane 4 of 6 lane section.
"#TrafficOfficers on scene with @WYP_RPU. Heavy congestion in the area and on approach northbound. Please take care in passing."