Twenty victims of Saddam Hussein's 1988 chemical weapons attack on the Kurdish town of Halabja, requested a judicial investigation of French suppliers on Monday, saying executives knew what they were sending to the Iraqi dictator and bore some responsibility…The March 1988 attacks in Halabja, Iraq, which killed up to 5,000 people, marked the deadliest chemical weapons attack against civilians…[A] lawyer for the group that filed the complaint in France, said those who survived the attack continue to suffer health problems and are demanding the companies that knowingly supplied Saddam with the raw materials and equipment needed for chemical weapons take responsibility…The complaint names no specific companies, and Mairone said he first hopes an investigating judge will agree to open the case to allow for more specifics…