Boucher:"Turkish troops were arrested on …

Declining to specify further on what these activities were, Boucher said a joint inquiry had been launched to investigate.
Boucher underlined that Washington planned to work in close cooperation with Ankara to maintain stability in Kurdish-populated northern Iraq. "We continue to believe that close cooperation between the United States and Turkey is critical to establish security and stability in northern Iraq," he said. "We will work closely with the Turkish government in doing that." he added.