![Russian Pantsir-S1 antiaircraft missile system is seen near Saint Petersburg Stadium to provide security, in Saint Petersburg, a host city for the soccer World Cup, Russia, June 27, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/28/565edf70d302463e97763145728ef8e4.jpg)
Russian Pantsir-S1 antiaircraft missile system is seen near Saint Petersburg Stadium to provide security, in Saint Petersburg, a host city for the soccer World Cup, Russia, June 27, 2018. (Photo/Agencies)
![Russian Pantsir-S1 antiaircraft missile system is seen near Saint Petersburg Stadium to provide security, in Saint Petersburg, a host city for the soccer World Cup, Russia, June 27, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/28/f7a26eb0b01447de9cc4288c5e1ddaf5.jpg)
Russian Pantsir-S1 antiaircraft missile system is seen near Saint Petersburg Stadium to provide security, in Saint Petersburg, a host city for the soccer World Cup, Russia, June 27, 2018. (Photo/Agencies)
![Russian Pantsir-S1 antiaircraft missile system is seen near Saint Petersburg Stadium to provide security, in Saint Petersburg, a host city for the soccer World Cup, Russia, June 27, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/28/1be176016d2142cb85598083296089e8.jpg)
Russian Pantsir-S1 antiaircraft missile system is seen near Saint Petersburg Stadium to provide security, in Saint Petersburg, a host city for the soccer World Cup, Russia, June 27, 2018. (Photo/Agencies)