At the time of their deaths details emerged of Lance Corporal Liam Tasker and Theo's incredible bond. This is the full report by Paul Davies from March 2011.
More top news
A 14-year-old boy has been charged after a man was shot dead and three people were injured in a shooting at a US primary school.
Sunshine with blustery showers and longer downpours
The founder of a free school and two ex-staff members have been jailed for defrauding the Department for Education of thousands of pounds.