No vessel has been hijacked off east Africa since May and there have been no attacks in the region for nearly three months.
The number of ships and seafarers held by Somali pirates has also come down sharply.
Commodore Bruce Belliveau, deputy chief of staff operations at Nato in Northwood, said: “In February 2011 we had 30 ships held with 682 seafarers and today we have seven ships and 177 hostages.
“That
