As of 3 pm local time on Tuesday, five Chinese nationals, including three from the mainland and two from the Hong Kong Special Administrative Region, had been confirmed dead in a Bangkok explosion Monday night, the Chinese Embassy in Thailand said Tuesday.

Another 24 Chinese, including 19 from Chinese mainland, two from Hong Kong and three from China's Taiwan are under treatment in hospital, the embassy said, adding more than 10 others, who sustained minor injuries, have been discharged from hospitals.

There is one Chinese who remains missing, according to the embassy.

The explosion, which rocked Erawan Shrine at Ratchaprasong intersection, a popular tourist destination in downtown Bangkok, at about 7 p.m. local time (1200 GMT) on Monday, has left a total of 20 people dead and more than 100 others injured.