Dozens of Russian tourists have been injured after their Thai tour bus crashed into a toll booth.
Authorities said 33 people in total were injured including six in a critical condition.
Three of the injured were in a SUV which was also hit by the bus.
The bus was carrying 41 Russian travellers.
It happened beside a motorway as the bus headed to Pattaya City.
Police said the bus, operated by Kimhor Tour, lost control and crashed into the toll booth and barrier, and then also hit a vehicle.
The bus sustained heavy damage, police said.
The Thai driver was detained by police for questioning.
They said CCTV footage showed the bus speeding as it approached the toll booth.
Police are still investigating the accident.
