Picked up the other day, an IISS Strategic Comment mainly on piracy off Somalia, but has passages on the situation off the West African coast:
Meanwhile, piracy off the West African coast is emerging as a separate threat. Here the modus operandi is quite different. Eight tankers were hijacked – and another 30 attacks thwarted – in the eight months to September 2011.
Link:http://www.iiss.org/publications/str...den-their-net/