Hughes' wife Doris Downes Hughes released a statement this morning saying Hughes had been ill for a long time and died in the Calvary Hospital in Bronx, New York.
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Art critic Robert Hughes dies
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Ronnie Biggs is taken to hospital
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National news hotel pool death couple drowned
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Palisades gym teacher died of natural causes
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Couple, married 76 years, die 16 hours apart
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Woman dies due to non provision of treatment
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Hughes looks for excuses
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Coronation Street star Geoffrey Hughes dies
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Wife of congressman Ralph Hall dies
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Angel Farrah Fawcett passes away
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Jean Simmons dies after long battle with lung cancer
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Lady Bird remains hospitalized
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Heath 'died of natural causes'
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Woman died after being sent home from hospital
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Family, friends of Cary woman await autopsy results
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Heavy D dies age 44
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Cause of death of Whitney Houston revealed