At least four people were injured on Friday when several small bombs went off in the Thai capital Bangkok during the morning rush hour, police said.
The explosions sounded as the city hosted a regional security meeting of foreign ministers from the Association of Southeast Asian Nations (ASEAN) along with representatives from the United States, China and Russia.
One blast hit the city's Suanluang district, a short distance from the international airport.
"Three people received slight injuries from shrapnel," local official Renu Suesattaya told the Agence France-Presse news agency.
