'I feel like we weren't took seriously': Could Huntingdon train stabbings have been prevented?
CCTV images capture a man stood outside the Ritzy barber shop in Peterborough, before he makes his way inside, waiving a knife around and terrifying members of staff and clients in the shop.
Please use Chrome browser for a more accessible video player
3:07
The owner of a barber shop which was confronted by a man wielding a knife has questioned whether the Huntingdon stabbing attack could have been prevented.