Ministers have warned David Cameron to resist a "lurch to the right" after the Conservatives finished third behind UKIP in the Eastleigh by-election.
David Cameron is also facing pressure over departmental spending and the welfare bill ahead of this month's Budget.
More top news
The soldiers who trained there left their names and messages on the walls of the tunnels.
Researchers were shocked to find the so-called Sussex Declaration hidden away in a record office.
The Hollywood star reportedly looked like he "switched into superhero mode" as he chased the suspect near his home.