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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There'll be a lot of fine weather this Bank Holiday Weekend
There'll be more cloud about today than yesterday but it will be warm. Risk of the odd sharp shower later.
Homes have been evacuated as the Army works to defuse an unexploded World War II bomb discovered near Wembley Stadium.