The Farc's attempt to win similar support in Ecuador has been less successful, the IISS concludes.

BBC: Colombian Farc rebels' links to Venezuela detailed

However, as Dina Esfandiary, a proliferation expert at the IISS in London, argues, Hizbullah, which increasingly wants to be seen as a state actor rather than a non-state one, would have little interest in acquiring them.

ECONOMIST: Syria and its chemical weapons

IISS, that it finds harder to control.

ECONOMIST: Let a hundred forums bloom