Escaping into a world of virtual reality as his sister was fighting cancer gave teenager Declan Hall a lifeline. The 14-year-old was devastated after his sibling Holly was diagnosed with Lymphoblastic leukemia at the age of four. He had to face bullying at school by youngsters, who made cruel jokes about his sister dying, as well as the trauma of seeing Holly in pain while going through chemotherapy. But attending The Joshua Tree Cancer Centre in Northwich, Cheshire, gave Declan the opportunity