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Richard, who has been homeless for almost four years, says that, at times, "I wanted to kill myself".

He sometimes sleeps in bins for warmth: "If they have excess paper or cardboard... I use that as a mattress."

Joanna Gosling spoke to Richard, Andrew Faris, a former homeless person who now runs a soup kitchen for the homeless and Dr Toni Gladding, from The Chartered Institution of Wastes Management.