D3665 Train Stranded in Tunnel

On the afternoon of March 29, 2026, the D3665 train, traveling from Guilin North to Zhuhai, was trapped in a tunnel between Foshan and Guangzhou South Station for nearly three hours due to extreme weather. A power outage inside the train led to the failure of the air conditioning system and insufficient oxygen. Numerous passengers experienced symptoms such as fainting and difficulty breathing, sparking widespread public questioning regarding the emergency response capabilities of high-speed rail services.