Recently, Spain denied docking permission to a Denmark-flagged cargo ship, Marianne Danica, with explosive material sailing from Chennai to the port of Haifa in Israel. This is the first time that a ship carrying a shipment of arms to Israel has been detained at a Spanish port, the reason cited is that the Middle East needs more peace and not weapons. In this context, the authors talk about the international law surrounding the control of supply of weapons of mass destruction and its financial aspect , the role of Financial Action Task Force (FATF) and the possible way forward.