UK Foreign Office : No British casualties aboard British - flagged Asian vessel . Somali pirates seized Singaporean - flagged chemical tanker M / S Pramoni Friday . ( CNN ) -- Pirates off Somalia have hijacked two more vessels in the Gulf of Aden , the European Union naval force said Saturday -- Two other vessels -- one British - flagged , the other Somali - registered -- taken in past raids .
UK Foreign Office : No British casualties aboard British - flagged Asian vessel . Somali pirates seized Singaporean - flagged chemical tanker M / S Pramoni Friday . Two other vessels -- one British - flagged , the other Somali - registered -- taken in past raids .