captagon

The Foreign Office said sanctions on members of the former Assad regime and those involved in the illicit trade in the drug Captagon would remain.

In the fallout of this discovery, large quantities of Captagon have been destroyed, which many are concerned could push users to other stimulants and relocate industrial manufacturing to other countries like Iraq.

"Syria has become the biggest producer of Captagon on earth," he said.

I spent a year investigating Captagon for a BBC World Service documentary and saw how the drug became as popular among the wealthy youth of Gulf countries like Saudi Arabia as it was among the working class in countries like Jordan.

"I was 19 years old, I started taking Captagon and my life started to fall apart," Yasser, a young male addict in a rehab clinic told us in Jordan's capital, Amman.