South Korean security prepares to protect VIPs
The South Korean presidential office's security squad have been polishing off their skills in advance of the Seoul nuclear summit.
Leaders from 53 nations - including the United States, Russia, China, Japan, Britain and France - and four international organisations will be attending the meeting.
During their training, the security team showed off various skills, from a rescuing from a high-rise building on fire to dealing with a suicide bomber.
Xiaoyun Yao reports.