Phil: Anyone else having fun out there ?

The Guardian knows the precise location of the camps where the group has been monitored in the Lake District, but cannot disclose it. The group, unaware it has been under surveillance, was not undergoing weapons or explosives training.

However, police believe they have clear evidence the men were preparing a mission of some sort, not enjoying a camping holiday. The surveillance is thought to have been by detectives from Scotland Yard's antiterrorism branch; security sources in London confirmed they were aware of it.