Bahrain launches criminal investigation against main opposition group

Bahrain has opened a criminal investigation of the country's main opposition group, the Interior Ministry said on Tuesday, accusing the al-Wefaq group of trying to undermine national security. Bahrain, a Western-allied kingdom and the base for the U.S. Fifth Fleet, has been gripped by tension since security forces quelled protests by Shi'ite Muslims in 2011. The Interior Ministry said on its website that its General Directorate of Anti-corruption and Economic and Electronic Security had referred