In 2010, head teachers led a

When he was arrested by police in September last year a shotgun and 30 cartridges were found nearby. It's thought he was planning to carry out an attack at his old primary school in Luton.Prosper had an interest in mass shootings, including the 1999 Columbine High School massacre, one of the most infamous massacres in the US.

Dr Olivia Brown, who studies radicalisation and extremism at the University of Bath, says repeated viewing of these kinds of videos, especially school shootings, desensitises users."What might have seemed like an impossible solution to what someone might be feeling, would then become something that might feel like a viable option," she says.The site is also deeply distressing for grieving families.

A video of base jumper Nathan Odinson has been put in the "falling" category of the website by site administrators.The 33-year-old from Cambridgeshire was an experienced skydiver,

A Thai friend was filming at the time and the video was posted first on local social media.

"Nathan was a family member that we loved," said his brother Ed Harrison.Turpin said the colour scheme was based on Roman mosaics, which had originally been made using marble.

The project was a collaboration between art and science organisation Invisible Dust and Yorkshire Wildlife Trust.Jeanine Griffin, curator at Invisible Dust, said: "The aim is to really engage people with the amazing wildlife on their doorstep and draw in people who are interested in nature and culture to Scarborough, as a year-round tourist offer.

"It's a really beautiful spot elevated above the sea, you can see right over the seawall to look at pods of dolphins."Information panels on marine life have been installed inside the station.