It said it rescued 77 people but others were forced aboard a coast guard vessel. Frontex uses aircraft, drones and other equipment to monitor the EU’s outside borders, including in international waters. The agency provides the Libyan coast guard with the location of boats that it believes are in danger. As part of the deal, the coast guard intercepts migrants in Libyan and international waters and returns them to Libya. Over the years, several witness accounts of abuses by the coast guard and detention center staff on land have been reported.