\n They were taken on Pound Lane, just metres from the site, by a woman who was walking her dog.\n<\/p>\n
\n The woman, who asked not to be named, said: “I was just walking the dog along my normal route and just came across the scene.\n<\/p>\n
\n A dog walker spotted armed police arresting the suspect (Image: Supplied)\n<\/p>\n
\n “I had heard there was something going on at the school but wasn’t expecting to see anything.\n<\/p>\n
\n “The boy was standing up on the other side of the police car, with police around him.\n<\/p>\n
\n “While I was there, about six more police cars came bombing up the road with sirens and lights on.\n<\/p>\n
\n “He was wearing what looked like a black sweatshirt. He didn’t seem to be wearing the Thorpe St Andrew uniform.\n<\/p>\n
\n Armed police officers swarmed Laundry lane (Image: Supplied)\n<\/p>\n
\n “He had mousey blond hair and an average build and was white.\n<\/p>\n
\n “There was no kerfuffle and there didn’t seem to be any noise.\n<\/p>\n
\n “He was then put in the police car and the police cordon was extended to take in this area.\n<\/p>\n
\n “I couldn’t hear anything from where I was standing.”\n<\/p>\n
\n She added that she also couldn’t see any blood on his clothes but that he did appear to be wearing a backpack.\n<\/p>\n
\n “Six more police cars came bombing up the road with sirens and lights on” (Image: Supplied)\n<\/p>\n
\n Norfolk Constabulary confirmed that a 15-year-old boy was arrested on suspicion of causing grievous bodily harm with intent.<\/a>\n<\/p>\n