Northern Ireland

The hit comedy follows teenagers in a Catholic school in the 1990s. Even with The Troubles as the backdrop, it's "put Northern Ireland on the map for all the right reasons," says one Derry Girls fan.

Authorities say they arrested an 18- and 19-year-old under the U.K.'s controversial Terrorism Act and took them to the Musgrave Serious Crime Suite, a police station in Belfast.