"All I can say now is there has been an explosion in central Bangkok involving a motorcycle bomb," deputy national police chief Aek Angsananond told Reuters.
Most of those killed were foreign tourists, and officials say the attack was aimed at destroying the economy and tourism.
"The perpetrators intended to destroy the economy and tourism because the incident occurred in the heart of the tourism district," Defense Minister Prawit Wongsuwan said .... http://www.rt.com