The drugs were found hidden in a specially-adapted secret hold in the Tanzanian-registered tugboat, which was sailing from Istanbul to Tenerife and then to the North Sea.
运毒用的船舶是在坦桑尼亚注册的拖船，航线是从伊斯坦布尔到特内里费，然后到北海，毒品藏匿在专门改装过的隐秘船舱里。