From 5 to 8 September 2019, Joint Action Day (JAD) Western Balkans 2019 was carried out. 6708 officers on the ground, 50 officers in the Operational Centre at Europol’s headquarters, and eight agencies and international organisations teamed up to tackle firearms trafficking, illegal immigration, document fraud, and drug trafficking. As a result, 214,147 persons, vehicles, and premises were checked and 175 individuals arrested.