SOFIA, Dec. 16 (Xinhua) -- Bulgarian border police in the port city of Burgas have seized 73 kg of cocaine concealed in a cooling system of a ship, authorities said on Monday.
The contraband was discovered on Friday when authorities searched the ship loaded with copper concentrate, the Bulgarian Interior Ministry said in a press release.
The cocaine was distributed in six large packages, each containing about 10 smaller packages of the substance, the ministry said.
The Prosecutor's Office of Bulgaria estimated the value of the cocaine on the black market to be more than 13 million BGN (7 million U.S. dollars).
All 22 crew members were interrogated, the Prosecutor's Office said, adding that the investigation is ongoing. ■