Video footage shared online has captured the moment two boats came into contact close to the Erasmus Bridge. The smallest of these, reportedly a water taxi, is understood to have capsized.
The other – what appears to be a tour boat – appeared to remain largely undamaged.
The states of those on board is not yet known.
People in the area have reported a large number of emergency service personnel around the scene of the collision.
Posting a video on Twitter from above the bridge, user @sunsetlifesaarv wrote: “Water taxi flipped in water.
“There is insane amount of fire trucks and police cars.”
After capsizing, the water taxi sank completely, according to reports.
On board the boat was a captain and five passengers, De Telegraaf said.
Among these was a child.
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He said: “I saw a man being lifted on a stretcher.
“Divers have entered the water.
“There is a lot of police on their feet, and many people are watching on the Erasmus Bridge.”
The incident has been declared a “Major Water Accident”, according to reports.
