Colombia's former Defense Minister and presidential candicate Juan Manuel Santos casts his vote during the congress elections in Bogota, capital of Colombia, March 14, 2010. Colombians kicked off legislative elections on Sunday morning. Some 30 million Colombians are registered to vote to choose from about 2,500 candidates to fill 268 seats in the Congress. (Xinhua/Marino)

Colombians went to the polls Sunday to vote for a new Congress.

The elections are widely regarded as a strong indicator of who will succeed President Alvaro Uribe this year.