From the Wikipedia page [1]
Columba Blango (born 23 April 1956) is a Sierra Leonean athlete. He competed in the men's decathlon at the 1980 Summer Olympics.
He later moved to the United Kingdom and served as a Liberal Democrat councillor and Mayor of Southwark 2003-04. He became the Liberal Democrat parliamentary candidate for Camberwell and Peckham, standing at the 2010 United Kingdom general election. He was able to achieve a 1.9% increase in votes from the previous year, ultimately winning 22.4% of the vote, but was defeated by Harriet Harman of the Labour Party.