A nine-year-old boy remains in hospital as detectives investigate links between his stabbing, the murder of a retired teacher and an incident in which an eight-year-old girl was chased through a garden.
More top news
Rescue workers are at the site Sunday morning trying to cut open mangled coaches.
Despite chilly temperatures it will be a mostly dry day, and milder than yesterday.
The Sunday Times alleges a missile malfunctioned after launch during a routine test of the UK's nuclear deterrent last year.