演员于朦胧被传坠楼，知情人士回应

Core Points - The article discusses the sudden death of actor Yu Menglong, who reportedly fell from a building in Beijing on September 11, 2025, with ongoing investigations into the circumstances surrounding his death [3][4]. Group 1: Incident Details - Yu Menglong was last seen at a gathering with friends on the night of September 10, 2025, and was found deceased early on September 11, 2025 [3]. - A neighbor reported seeing the body and alerted the authorities, while police have ruled out foul play and are still investigating the cause [3]. - Yu was found with two Rolex watches belonging to friends in his pocket, and the window screen was reportedly removed [3]. Group 2: Background Information - Yu Menglong was born on June 15, 1988, in Urumqi, Xinjiang, and graduated from Beijing Performing Arts College [5]. - He gained fame through various talent shows, including "I Am a Singer" and "Happy Boys," and is known for his roles in popular dramas such as "The King's Avatar" and "Three Lives Three Worlds, Ten Miles of Peach Blossoms" [6]. - His upcoming project includes a role in the drama "Wind Rises in the Desert," where he plays Li Gan, the third son of General Li Guang [6].