The road was shut between J23 and J23a.
UPDATE:
** 13:21** M1 road closures between J23 and J23a lifted and both ways now open - Thank you for your patience
— Leicestershire Police (@leicspolice) September 14, 2021
A police incident has closed the M1 northbound between junctions J23 and J23A.
Normal traffic conditions are expected between 14:15 and 14:30.
Leicestershire Police said: "** Traffic Update 13:03** M1 is currently closed between J23 and 23a both directions - Please find alternate routes . Updates to follow"
More to follow...