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(CNN) Haiti, the impoverished Caribbean island wrecked by an earthquake in 2010 and battered by Hurricane Sandy in 2012, is a disaster zone again. Hurricane Matthew has shredded homes, inundated communities and left many parts of the south-west cut off from the rest of the country.

According to the United Nations, the disaster has affected 350,000 people and left the Haiti facing its worst humanitarian crisis since the devastating earthquake six years ago.

More than 300,000 people are in shelters across the country, the United Nations said. These pictures tell the story.

A man walks through the devastated town of Jeremie in west Haiti.

A woman is carried across the river La Digue in Petit Goave where a bridge collapsed during the torrential rains.

Crossing the river is a dangerous task which many have undertaken since the bridge collapse.

Rescue workers in Haiti struggled to reach cutoff towns and learn the full extent of the death and destruction caused by Hurricane Matthew.

A young man walks on a palm tree in front of a destroyed house in Croix Marche-a-Terre, in south-west Haiti.

A man cleans his destroyed office, which is filled with thick mud.

The body of a man who died during the hurricane lies on a piece of wood as survivors prepare to place his body in a coffin.

A man walks through the devastated town of Jeremie, west Haiti.

According to figures reported by the UN and its partners, 1,855 houses have flooded, 500 houses have been heavily damaged and 348 houses have been destroyed.

The vast damage wrought upon Haiti is clearly visible in a neighbourhood of the commune of Cite Soleil, in the capital Port-au-Prince.

A group of young men play football in the rain on the roat to Leogane, as the hurricane passes.