see more

This picture taken on June 11, 2014 shows policemen demonstrating counter-attack skills to teachers and students during an anti-terrorism lecture at University of International Business and Economics in Beijing. China vowed a year-long campaign against terrorism, days after attackers in the western region of Xinjiang killed 39 people in a suicide raid. The statement said the campaign would last until June 2015 and is aimed at "preventing the spread of religious extremism" from Xinjiang to the country's interior. CHINA OUT AFP PHOTO (Photo credit should read STR/AFP/Getty Images)

This picture taken on June 11, 2014 shows policemen demonstrating counter-attack skills to teachers and students during an anti-terrorism lecture at University of International Business and Economics in Beijing. China vowed a year-long campaign against terrorism, days after attackers in the western region of Xinjiang killed 39 people in a suicide raid. The statement said the campaign would last until June 2015 and is aimed at "preventing the spread of religious extremism" from Xinjiang to the country's interior.     CHINA OUT   AFP PHOTO        (Photo credit should read STR/AFP/Getty Images)