TRAFFIC: Severe delays of two hours reported after multi-vehicle crash on M1

A serious crash has closed the third lane of the M1 near Northampton and delays of up to two hours have been reported.
Traffic map correct as of 17:46. Taken from http://www.theaa.com/traffic-news/northampton%20uk/.Traffic map correct as of 17:46. Taken from http://www.theaa.com/traffic-news/northampton%20uk/.
Traffic map correct as of 17:46. Taken from http://www.theaa.com/traffic-news/northampton%20uk/.

A multi-vehicle collision has been reported between J15A and J16 near Northampton.

The crash is expected to be cleared between 19.15 and 19.30 tonight. In the meantime, severe delays are expected.