https://www.reuters.com/article/us-colombia-cambridge-analytica/colombia-blocks-app-it-says-possibly-linked-to-cambridge-analytica-idUSKBN1H42CL >Colombia, which will hold presidential elections in May, on Wednesday blocked access to a cell phone application it said might be connected with Cambridge Analytica, the political consultancy that has been accused of violating Facebook users' privacy to influence elections in Britain and the United States.