Police were called to the University of East Anglia in Norwich at 8.40am today following reports a body had been found in the lake on the site.
A Norfolk Police spokesman said: "Emergency services are on scene and the area has been sealed off."
The force has not yet confirmed the age or gender of the person involved.
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A woman has been banned from keeping all animals for three years after admitting neglecting her cat and four kittens - two of whom died.
With the cold weather expected to last for at least the next five days, the Met Office has issued various snow and ice warnings.
Cold but dry and bright this afternoon followed by a risk of icy stretches tonight.