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STORY: Parts of Vietnam remained severely flooded on Wednesday (September 11), after the deadly Typhoon Yagi hammered the Southeast Asian nation with gales and torrential rain.

In Thai Nguyen, some 50 miles from the capital Hanoi, residents rowed their canoes through the streets while others tried to salvage what they could of their belongings.

This man said it's the worst flood he's ever seen, and that the ground floor of his home was entirely under water.

It's a similar situation for this woman, who said her property was destroyed in the storm.

Officials have reported scores of people dead and missing, mostly from flash floods and landslides.

Authorities in Hanoi evacuated thousands of people from their homes along the Red River, as its waters rose to a 20-year high.

Yagi was the most powerful typhoon to hit Asia this year, bringing catastrophic flash flooding to neighboring Thailand as well.

At least two people were killed and hundreds stranded after heavy rains swept through two northern provinces, swelling rivers, inundating settlements and triggering mudslides, Thai authorities said on Wednesday.

And about 9,000 households have been impacted.

Thai conservation scientist Petch Manopawitr said climate change and disaster mismanagement are to blame for the devastation at hand.

"The rain intensity is so high that now we have that new term, that (is) called ‘rain bomb’, because of the rain intensity that has never before existed. And I think this also overwhelms our infrastructure that used to perhaps deal with a much less volume of water. And on top of that, we didn't do well enough in terms of preparedness."

Manopawitr, who is also a government advisor, said the floods should be a wake up call for policymakers.

"The government I think have to really realise about there is no economy on the dead planet. And now there's so much crises happening around us. We have to really think differently in terms of driving economic forward.”