A SWAT team in Nanjing, east China’s Jiangsu Province, conducted a drill on a high-speed train on Sunday, preparing for possible security scares during the Chinese New Year travel rush. /Xinhua Photo

The 40-day peak travel period around Chinese New Year sees the largest annual mass migration on the planet, with millions traveling home or to tourist spots. It presents a major challenge to the public transport network and makes trains and train stations prime targets for terrorist attacks. /Xinhua Photo

SWAT team members were ordered to detain a suspect who had taken explosive goods on the train and safely dispose of the explosives. /Xinhua Photo

The drill was divided into six steps, including evacuating passengers, investigation of the scene with sniffer dogs, detaining the suspect and removing explosive goods. /Xinhua Photo

The Nanjing railway police department said the exercise was designed to improve officers’ ability to cope with unexpected situations such as customer riots and terrorist attacks. /Xinhua Photo