MOSCOW (Reuters) – Russia announced plans on Sunday to revive its once-mighty navy by building several aircraft carriers and upgrading its fleet of nuclear submarines in the coming years.

ISTANBUL (Reuters) – The Constitutional Court begins deliberating on Monday on whether the ruling AK Party has engaged in Islamist activities and should be closed, a case that has plunged Turkey into political and economic uncertainty.

(Reuters) – Following are brief descriptions of the main protagonists in the Turkish court case in which the ruling AK Party is charged with Islamist activities: TAYYIP ERDOGAN, PRIME MINISTER