Patel says China to tighten controls on fentanyl chemicals The FBI director said China has agreed on a plan to curb the flow of chemicals used to produce fentanyl. (Credit: NBC Pool) NEW You can now listen to Fox News articles! The FBI said it arrested 55 people Wednesday morning in a sweeping takedown of a major Georgia-based drug trafficking ring accused of flooding U.S. streets with dangerous narcotics, including fentanyl. Officials said the organization, which was linked to a Chinese