Lanes blocked on M1 near Northampton after two separate crashes on motorway

Two separate collisions have resulted in lanes being blocked on the M1.
Highways England tweeted this image of the first RTCHighways England tweeted this image of the first RTC
Highways England tweeted this image of the first RTC

Highways England have reported two crashes -- between junctions 15 and 14 - this morning, the first at 9.26am and a second at 10am.

The earlier incident has resulted in two lanes being blocked and saw traffic officers attend immediately.

The second RTC has been "rapidly cleared" though there may be delays on the southbound carriageway.