Group 1 - The Civil Aviation Administration of China (CAAC) issued an emergency notice prohibiting passengers from carrying unqualified power banks on domestic flights starting June 28, due to safety concerns related to lithium battery products [1] - Multiple airports have begun to enforce the ban on recalled Anker power banks, with reports of passengers being informed at the airport that their power banks do not meet requirements [1] - The CAAC noted an increase in incidents of power banks catching fire or smoking on flights this year, prompting stricter control measures based on international safety guidelines [1] Group 2 - A report from the French Aviation Accident Investigation Bureau indicated that a fire incident on a flight from Hangzhou to Hong Kong was caused by a Romoss brand power bank, which had a rated capacity of 20,000 mAh and met airline carry-on standards [2] - Romoss announced a recall of 491,745 units of certain power banks manufactured between June 5, 2023, and July 31, 2024, due to potential overheating risks [2] - Anker also initiated a recall for specific models of their power banks due to safety risks, advising customers to return affected products for safe disposal [4][6] Group 3 - The CAAC emphasized the need for airport security to enhance checks on power banks carried by passengers and to provide better guidance and support to travelers regarding the new regulations [6]