This video can not be played

The BBC has seen widespread devastation on the way from Nepal's capital of Kathmandu to Trishuli, one of the areas worst-hit by flooding on the Tibetan border.

As well as ambulances, hearses were also seen along the route, where rescuers said entire villages had been washed away by floodwaters.

South Asia correspondent Azadeh Moshiri reports.

Read more on this story as rescue operations continue

Blocked roads and devastation as BBC drives to site of Nepal floods. Video, 00:00:58Blocked roads and devastation as BBC drives to site of Nepal floods

Up Next. Tracing the deadly path of the Nepal-Tibet flash flood. Video, 00:02:01Tracing the deadly path of the Nepal-Tibet flash flood

Nepal army rescues survivors from hydropower tunnel. Video, 00:00:47Nepal army rescues survivors from hydropower tunnel

Watch: Stargazers around the world glimpse 'Blood Moon' lunar eclipse. Video, 00:01:04Watch: Stargazers around the world glimpse 'Blood Moon' lunar eclipse

Worker films moment he escapes deadly Nepal floods. Video, 00:00:51Worker films moment he escapes deadly Nepal floods

What caused the Nepal-Tibet flash floods? Video, 00:00:59What caused the Nepal-Tibet flash floods?

BBC visits hospital in Kathmandu as families wait for news. Video, 00:01:55BBC visits hospital in Kathmandu as families wait for news

How Dolly Parton became a fashion icon. Video, 00:01:12How Dolly Parton became a fashion icon

Aerial footage shows flash flood on Nepal-Tibet border. Video, 00:00:34Aerial footage shows flash flood on Nepal-Tibet border

Dolly Parton: The life of an iconic country singer. Video, 00:00:10Dolly Parton: The life of an iconic country singer

Is UK's Storm Shadow missile a game changer for Ukraine? Video, 00:01:37Is UK's Storm Shadow missile a game changer for Ukraine?

Robot boxing, football and sprinting at World Humanoid Games. Video, 00:01:24Robot boxing, football and sprinting at World Humanoid Games

Watch: Moment humanoid robot beats Usain Bolt's 100m record. Video, 00:00:46Watch: Moment humanoid robot beats Usain Bolt's 100m record