Pictured: Forensics team board LNER train after horror mass stabbing in Huntingdon

Emergency responders were called to Huntingdon station, in Cambridgeshire, just before 7.45pm yesterday (November 1) (Image: Chris Radburn/PA Wire)

Armed police and paramedics descended on the busy commuter stop (Image: Chris Radburn/PA Wire)

Forensic teams and sniffer dogs were also deployed as work to gather evidence began

Discarded medical equipment and clothing items could be seen on the platform this morning (November 2) (Image: Joe Giddens/PA Wire)

Discarded medical equipment and clothing items could be seen on the platform this morning (November 2) (Image: Joe Giddens/PA Wire)

A cordon remains in place around Huntingdon station, with officers stationed along it (Image: Joe Giddens/PA Wire)

Now a bloody crime scene, the Doncaster to King's Cross service now sits empty, nev