This appeared to be a reference to the Dunblane massacre, in which 16 children and a teacher were shot dead at a primary school in 1996. Mason was then further arrested on September 18.

Murray was eight, his older brother Jamie 10, when on 13 March 1996 a gunman broke into the gym hall at Dunblane Primary ...

Guns have been strictly controlled in the United Kingdom for the past few decades, spurred in large part by the 1996 Dunblane massacre, when 15 children and their teacher were killed by a local ...