Officials say they both travelled through Entebbe International Airport on 3 October.
Javier Milei had denied acting fraudulently when a cryptocurrency nosedived after he deleted a social media post about it.
Ukrainians held alongside the American say they witnessed beatings and sexual humiliation by Russian guards during his detention.
Satellite images show the an oil spill spreading for miles along the coastline, shutting several beaches.
Trump's former campaign manager is reportedly being investigated for allegedly using his role at the Department of Homeland for financial gain.
Paris St-Germain's Ligue 1 match against Lyon at the Parc des Princes is pushed back 24 hours as the French capital prepares for another weekend of protests.
US First Lady Melania Trump has secured a truce that will begin on 29 October in the southern city, the White House says.
Another 10 people are injured in the southern Karak governorate, and a manhunt is now under way.
French Prime Minister Sébastien Lecornu describes the gun attack in Trappes as "very serious".