A witness has shared the horror moment he witnessed a person "hanging out the train door bleeding" after multiple people were stabbed on a train near Huntingdon . More than 30 officers, some of which were armed, were called to the incident near the Cambridgeshire station this evening. Witnesses described seeing people covered in blood and panicking as they ran to safety. The witness, who wished to remain anonymous, told The Mirror: "I was waiting for the 8:10pm train to Kings Cross when I