Twelve Vietnamese citizens were killed and eight others injured as the bus carrying them hit a Lao motorist and overturned in the Lao province of Attapeu Thursday night.
The bus driver and his assistant were among the dead. The Lao driver was also injured and sent to a hospital in Attapeu.
The vehicle with 20 people aboard overturned at around 7 p.m. when going down a hill around 50 kilometers into Laos from the border at Kon Tum Province in Vietnam Central Highlands.
Vietnamese police said 11 people died on the spot and one died on the way to hospital.
Cao Ly My An, a 23-year-old survivor, said "The bus was going down, everyone was sleeping and we heard a bang.
"My legs were very painful and I was stuck in the bus. I cried out for help but people thought I was dead. Some people only came an hour later."
An was brought to the Kon Tum General Hospital at 11 p.m. with broken thighs.
Her mother and boyfriend were killed in the accident.
They were visiting some relatives working in Laos.
Truong Quang Duc, who was going to Laos to work, lost an uncle.
Twenty nurses and doctors were mobilized at the Kon Tum General Hospital to treat the eight injured victims, most of them suffering multiple fractures.
Two of the critical cases were of a 37-year-old man whose spinal cord was broken and a 26-year-old man who suffered brain injuries.
Kon Tum authorities have supported each dead victim VND3 million (US$144) and the injured VND2 million. They have also contacted Attapeu Province for clarifications of the accident.
The tragedy follows another road accident last week in Laos when four Vietnamese workers were killed after the brakes on their bus failed while going up a steep incline. About 80 Vietnamese workers were on the bus when the accident happened.
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