1. FBI Director Kash Patel announced that the US and China have agreed to crack down on chemicals used to produce fentanyl, following a summit between Donald Trump and Xi Jinping last month.

2. According to Patel, this agreement is due to Trump's engagement with Xi, and it involves China fully designating and listing all 13 precursors used in making fentanyl, as well as controlling seven related chemical subsidiaries.

3. This development marks the first face-to-face talks between high-ranking officials from both countries on this issue in over a decade. The Trump administration emphasized this agreement to highlight its achievements ahead of next year's mid-term elections.