The military research company, Jane's Sentinel Security Assessments, says the rebels are continuing to purchase arms from brokers based elsewhere in Southern Africa.

BBC: Analysis: Unita's changing tactics

To believe that the Ethiopian government will be able to use the nationalised assets in a more efficient way than Nestle is ludicrous: it almost certainly will drive down the business to zero by diverting its profit from reinvestment in the business to the purchase of arms.

BBC: How can multinationals balance ethics with profits?

International sanctions on Iran include a UN embargo on arms exports and nuclear technology as well as EU bans on most financial transactions as well as the purchase of crude oil.

BBC: Iranian oil revenues 'drop 45%' because of sanctions