The Kurdistan Communities Union (KCK) is an umbrella group of left-wing organisations in Turkey, Syria, Iraq and Iran that adhere to the ideology of Kurdish revolutionary leader Abdullah Ocalan (known as 鈥淎po鈥), currently in jail in Turkey. Forces associated with the KCK have helped lead the Rojava Revolution in Syria鈥檚 north, which marked its sixth anniversary on July 19, the day Kurdish-led forces staged an insurrection.