Signs are erected on Ratchadamri Road informing motorists of the upcoming 35th Asean Summit, scheduled from Nov 2-4, 2019 at Muang Thong Thani. (Photo: Wichan Charoenkiatpakul)

Deputy National Police Chief Suwat Chaengyotsuk said officers have been participating in security drills to ensure order during the Summit.

Attending the 35^th ASEAN Summit and related summits will be the leaders of 10 Southeast Asian countries, China, South Korea, Japan, the US, Australia, New Zealand, India, and the UN. Around 3,000 officials and journalists will come to Thailand to attend and report on events.