Capture of the Tuapse
The capture of the tanker Tuapse occurred on 23 June 1954, when a civilian Soviet ship was captured and confiscated by the Republic of China Navy in the high seas near the Philippines and the sailors were detained in Taiwan for various periods with three deaths, until the last four were released in 1988. == Background == On 18 June 1949 during the Chinese Civil War, the Government of the Republic of China (ROC) declared the Closed Port Policy to establish an actual aerial and naval blockade of trade with the People's Republic of China (PRC) along the Chinese coast from Liao River to Min River area, which was extended to include Guangdong on 12 February 1950.