The US captured Venezuelas President Nicolas Maduro in a military operation early on Saturday morning, culminating in a months-long pressure campaign by President Donald Trumps administration that drew condemnation from some international leaders.Maduro arrived Saturday evening at a military base in the United States and was transferred to New York City. The leftist leader was then flown by helicopter to Manhattan, where a large law enforcement contingent awaited.The 63-year-old leader was to be taken first to the offices of the US Drug Enforcement Administration, then to the Metropolitan Detention Centre, a federal facility in Brooklyn, according to US media.Below is a look at the legality of the US action.Venezuelas President Nicolas Maduro getting off an aircraft at Stewart Air National Guard Base in Newburgh, New York. Photo: ABC via ReutersWhat happened?On Saturday, US forces attacked Venezuela and seized Maduro, who has been widely condemned as an illegitimate leader, and his wife Cilia Flores.