Broken down vehicle shuts lane on M1

Expect delays this morning - Monday, February 6 - on the M1 as a broken down van has shut one lane for northbound traffic.
Queues are building on the M1 following an accidentQueues are building on the M1 following an accident
Queues are building on the M1 following an accident

Traffic is slow between J28 A38 (Alfreton / Mansfield) and J29 A617 / A6175 (Chesterfield / Mansfield).