Emergency services were called to a "concern for welfare incident" on the Itchen near the boardwalk on Saturday (March 13).
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Around ten emergency vehicles were seen parked by Horseshoe Bridge, next to boardwalk in St Denys during the early afternoon, including police, ambulance and coastguard.
Someone was reportedly in the water near the boardwalk, but eventually came out.
Hants police marine unit tweeted at 2.43pm: "Marine Unit called in to support @hillheadcg, @hamblelifeboatand @SouthamptonCops with a multi-agency concern for welfare incident in the water in Southampton. The incident was resolved safely and was a great effort from all teams involved"
Marine Unit called in to support @hillheadcg, @hamblelifeboat and @SouthamptonCops with a multi-agency concern for welfare incident in the water in Southampton. The incident was resolved safely and was a great effort from all teams involved #jesip #teamwork #respectthewater
— Hants Marine Unit (@HantspolMarine) March 13, 2021
Emergency vehicles parked near the boardwalk. Pic: L. Weedy