$ 150 million lost to pirates in past 12 months , Kenyan foreign minister says . East African pirate activity causing growing international concern . Yemen seized Saudi supertanker last weekend ; are holding 17 vessels . A Somali transitional government official was also there . Russia sending more ships to join international naval fleet policing Gulf of Aden .
$ 150 million lost to pirates in past 12 months , Kenyan foreign minister says . East African pirate activity causing growing international concern . Yemen seized Saudi supertanker last weekend ; are holding 17 vessels . Russia sending more ships to join international naval fleet policing Gulf of Aden .