teachers (4%) and NHS workers (3%).

Sgt Tosh Hodgkins, from the Army's HQ South West cadet training team, said the challenge enabled the participants to be away from distractions and do nothing but talk to each other for 48 hours.He said: "They make their decisions without referring to anything electronic and it just opens up their worlds to what they can achieve without having to rely on technology and Google.

"It strips everything away and puts them back to the people they are and they rebuild themselves."A group of visually impaired rowers say a piece of simple technology is empowering more people to take up the sport.Kate Lindgren was the first blind rower to join Peterborough City Rowing Club eight years ago.

She helped set up the Row the Rhythm project last year to support blind or partially sighted participants, and there are now 15 at the club from across Cambridgeshire.A coach involved in the project said a Bluetooth headset used by the rowers to communicate was "life-changing".

Put simply, using the Bluetooth kit is like having a phone call.

The rower and the coach each have their own headset and can communicate across the water easily."He knew numbers; he knew facts and figures, and he wanted to be responsible for the most number of casualties ever killed within a school."

In August 2023, Prosper made a booking at a shooting range, but did not attend.However, his online history gives a fuller insight into what drove him.

"There's a general theme of extreme violence; content which you can't believe is readily available on the internet," said Det Ch Insp Khanna."There's pretty much not a mass shooting event that he hadn't researched in detail.