YANGON, Oct. 15 (Xinhua) -- A small bomb explosion in Myanmar's Yangon, injured one foeigner at midnight, Local witnesses said on Tuesday. The blast occurred in the ninth floor of the Traders Hotel at about 11:30 midnight (local time) on Monday, witnesses added. Currently, many media reporters have arrived this hotel, but police have not provided further information. A small bomb explosion in Thakayta, Myanmar's Yangon, injured two children Sunday evening. Another minor one occurred with a roadside bus stop kiosk in Yangon's Insein township without casualties on last Saturday midnight.