YANGON, Nov. 29 (Xinhua) -- A total of four home-made chemical bombs were found about 9:30 a.m. local time on Tuesday at Terminal-1 of Yangon International Airport, the largest international airport of Myanmar, according to the announcement of the office of commander-in-chief for defense services Tuesday.

The bombs were put in a green plastic bag and left on a desk near the ticket counter of Terminal-1. The bottles were filled with concentrated liquid in yellow color. The mine expert team from local military force went to take clearance.

The ground condition of the airport has turned to normal at present and the investigations are underway.

Series of explosions caused by similar home-made chemical bombs had occurred in Yangon regional government office, two giant retailers and South Dagon township Immigration office during this month.

Three suspects who were involved in two blasts at Yangon regional government office building have been arrested on Nov. 26, captured with materials used for making chemicals bombs made up of soft drink bottles.