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.
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The MK912 spitfire was forced to make an emergency landing soon after taking off.
Showers ease in the north tonight, with it becoming very warm in the southeast tomorrow.
A mass inhalation of "hippy crack" was carried out in the shadow of Parliament on Saturday in protest at the Government's drug policy.