Islamic State bomb supply chain includes firms in 20 countries -report

Ankara: Companies from 20 countries are involved in the supply chain of components that end up in Islamic State explosives, a study found on Thursday, suggesting governments and firms need to do more to track the flow of cables, chemicals and other equipment.

The European Union-mandated study showed that 51 companies from countries including Turkey, Brazil, and the United States produced, sold or received the more than 700 components used by Islamic State to build improvised explosive devices (IEDs).