In 2010 she came close to causing a general election upset when she reduced Labour MP Austin Mitchell's majority in Great Grimsby to just 714 votes.

BBC: Ex-Conservative Victoria Ayling says more to join UKIP

The idea of a general amnesty has upset many people.

ECONOMIST: Thailand��s politics

This gives him a chance of pulling off a surprise upset in the general election.

ECONOMIST: Lexington

He added that he spoke with general manager Sandy Alderson, and nobody in the organization seemed upset by the way he handled things.

WSJ: The Mets Inherit Wright's Problem

John Bridgeman, the present director-general, is on the point of being pushed out, having upset too many ministers.

ECONOMIST: Competition policy

Many were upset by Lord Pearson's policy of not challenging Eurosceptic Conservative candidates at the general election.

BBC: UKIP considers leadership hopefuls