On 21 May 2014, a Taiwanese man carried out a stabbing spree directed at random civilians on a Taipei Metro train near Jiangzicui Station, resulting in four deaths and 24 injuries. It was the first fatal attack on the city's subway system since operations began in 1996. The suspected attacker, Cheng Chieh, then 21, was arrested after the attack. He was sentenced to 144 years in prison and four death sentences, and was executed on 10 May 2016.