The demonstrations in the southern port city came on the first anniversary of the uncontested election of President Abdrabuh Mansur Hadi.

BBC: Yemen forces fire on Aden demonstrators

Abdrabbuh Mansour Hadi won an uncontested presidential election the following year, marking the final stage in the exit of Mr Saleh - the country's longest-serving leader in recent times.

BBC: Deaths mar Yemen's 2011 revolt anniversary

For a start, Mr Lee will retain the parliamentary seat that he won, uncontested, in the general election on May 7th.

ECONOMIST: A founding father retires in his own way

Despite these and many other slips into the fringe, Broun was uncontested in his most recent election and serves on the House Science Committee.

CNN: Tea party's anti-Rove 'Nazi ad'

Of the 98 Wiltshire Council seats up for election, six are uncontested and all are Conservative controlled.

BBC: Wiltshire

In that 2009 election, according to a council spokeswoman, there were no seats uncontested.

BBC: Wiltshire