A man found dead under the Dark Arches near Leeds Station was homeless.
He is believed to have been 52-year-old Jason Wager, a long-term rough sleeper.
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His body was found shortly before 10am on Tuesday morning.
His twin sister said Jason had lived on the streets for around 30 years, and called them 'home'.
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The circumstances of his death are not thought to be suspicious.
Jason was popular among the homeless community and was known for his generosity.
The Homeless Leeds Support Group helped Jason to find permanent accommodation after a hospital stay last year and bought him a TV and kitchen utensils, but said they did not realise he had returned to the streets.
Three other rough sleepers have been found dead in Leeds since October 2017.