Washington (CNN)The State Department is warning Americans about the risk of potential terrorist attacks throughout Europe as law enforcement waits on heightened alert for possible ISIS-inspired attacks.
The department on Tuesday issued a travel alert for the continent. There isn't a new, specific threat, but the warning comes ahead of big events this summer with large crowds. Venues in France will host the European Soccer Championship beginning on June 10, and the Catholic Church's World Youth Day will be held in Krakow, Poland.
Both events are expected to draw massive crowds, and concerns are particularly high over the soccer tournament.
Advertisement - story continues below
