At least 77 people were injured after two buses collided outside the Tai Lam Tunnel here on Tuesday morning.
The accident involved a Kowloon Motor Bus and a Citybus vehicle and it took place just before 8:30 am (local time) near the Tsuen Wan exit of the tunnel, South China Morning Post reported.
Out of the 77 wounded, two sustained serious injuries while the others suffered minor injuries, a government spokesperson said.
The driver of the Citybus was trapped inside the vehicle and was rescued by emergency officials.
As many as 26 ambulances and 15 fire engines were pressed into service following the mishap, according to the Fire Services Department.
Police are investigating the cause of the accident.
This is the third time in this month that a mishap has taken place in Hong Kong.