Congo frees U.S. security adviser working for presidential contender

KINSHASA (Reuters) - A U.S. citizen working as an adviser to Congo's leading opposition presidential candidate has been freed six weeks after being arrested during a street protest and will return to the United States, the public prosecutor said on Wednesday.

Darryl Lewis, who was detained on April 24 along with three other members of Moise Katumbi's entourage in the southern city of Lubumbashi, has been handed over to the U.S. ambassador in the capital Kinshasa, Flory Kabange Numbi told reporters.