According to media reports, police were called at 9:58 AM local time (8:58 AM GMT).
"We were called to the London Stock Exchange… to a report of a man who had fallen from an upper floor in the building to the ground," City of London police said.
The man was pronounced dead at 10:10 AM. The police added that they are treating the man's death as not suspicious.
Following the reports, the London Stock Exchange officially confirmed that the person who had died was a "London Stock Exchange group colleague."
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