Europe's law-enforcement agency Monday said it suspects over 680 soccer matches played around the world have been fixed by criminal networks, many organized through a Singapore-based crime cartel, following a widespread probe into illegal betting activity.

Europol, the organization coordinating the work of police forces across Europe, said the behavior implicated hundreds of players, referees and officials across a roster of 380 affected games across the Continent that included qualifiers for the sport's two biggest international tournaments