A man’s body was recovered from the River Thames near the ExCeL centre on Wednesday morning.
Police were called after members of the public spotted a man’s body in the Royal Victoria Dock at 7.45am.
Officers, paramedics and firefighters recovered the body of a man, aged in his 30s, from the water.
A Met spokesperson said: “At this early stage the death is being treated as unexpected. Enquiries are ongoing to establish the circumstances.”
A crime scene remains in the area.
Footage from the scene shows police tape close to the entrance of the Royal Victoria Dock footbridge.
A London Ambulance Service spokesperson said: “We were called at 7.52am today (24 May) to reports of a person in the water at the Royal Victoria Dock, E16.
“We sent an incident response officer, our hazardous area response team and a tactical response unit to the scene.
“Sadly, a person was pronounced dead at the scene.”