Nine children and two adults hospitalised after chlorine leak at London swimming pool

Police confirmed that they had been alerted to the noxious chemical just before 2pm - and had rushed to the pool, a stone's throw from Wembley Stadium - in response.

In the aftermath of the evacuation, Vale Farm Sports Centre's website warned would-be users the leisure centre was closed "due to unforeseen circumstances".

A Metropolitan Police spokesman said: "Police were called at 1.40pm on Thursday, August 29 to reports of a chlorine leak at a pool in Watford Road, Wembley.

"Officers, the London Ambulance Service and the London Fire Brigade are in attendance.

"The leisure centre has been evacuated as a precaution and road closures are in place."

The London Ambulance Service added: "We were called at 1.34pm today to reports of a chlorine leak on Watford Road, Wembley.

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"We sent a number of resources to the scene, including ambulance crews, incident response officers and members of our hazardous area response team (Hart).

"We treated nine children and two adults at the scene before taking them all to hospital."

Brent Council's Neil Nerva, the cabinet member for community health and wellbeing, said: "We are aware of reports of a chlorine leak at Vale Farm Sports Centre and that nine children and two adults have been taken to hospital.

"The swimming pool remains closed until further notice.

"Everyone Active manages Vale Farm Sports Centre and we are seeking reassurance from them.

"We are on hand to support in any way we can."

Everyone Active told local outlet This is Local London that the pool was still shut just after 4pm - but the rest of the centre's facilities had reopened.