https://www.bbc.co.uk/news/uk-england-beds-bucks-herts-61810503
more HS2 goodies....
History Hit also features a short video about this, narrated by the awful Dan Snow. It shows various spear heads, swords, knives and shield bosses they have found, along with a skeleton with a blade embedded in his spine.
https://www.youtube.com/watch?v=sMYnHrFbe14
thanks for the link