(CNN) -- Seven suspected pirates are in German custody after they fired on a naval tanker off the coast of Somalia and were pursued by warships, the German military said.
The suspects shot at the tanker in the Gulf of Aden Sunday. The tanker and the warships pursued their boat. The German ship was assisted in the chase by ships operated by the EU and NATO, the military said.
No one was injured in the incident.
Pirating off Somalia has increase over the past four or five years as fishermen realize that pirating is more lucrative. The crime, which is hard to prevent, has raised concerns internationally.
In response a number of countries have deployed navy ships to the region, including the United States, China and Japan.