On 2 April 2021, at 09:28 NST (01:28 UTC), a Taroko Express train operated by the Taiwan Railways Administration (TRA) derailed at the north entrance of Qingshui Tunnel in Heren Section, Xiulin Township, Hualien County, Taiwan, killing 49 people and injuring at least 200 others, making it the deadliest railway accident in Taiwan in terms of confirmed deaths.
The derailed Taroko Express trainset, as seen from outside the entrance to the tunnel