A huge evacuation operation is underway in London after a gas incident has left many people hurt. The Queen Elizabeth Olympic Park has been evacuated after a suspected gas leak.

As many as 12 ambulances and at least eight medic cars have rushed to the scene and are treating a “number of casualties with breathing difficulties” at the Aquatics Centre in East London this morning (Wednesday, March 23).

In a statement, the Olympic Park said: “There has been an incident at the Aquatics Centre this morning involving the release of a gas. The area has been cordoned off and evacuated. We’re working with emergency services on site. There are a number of casualties with breathing difficulties being treated by London Ambulance.

The London Ambulance Service said: “We are responding to an incident at Queen Elizabeth Olympic Park and have a number of resources on scene. More updates to follow. Please only call 999 for genuine medical emergencies and use 111 online for any other urgent medical needs.”

The Met Police and London Fire Brigade have been approached for comment.

Cordon extended further by police

Police have extended the cordon to the east of the park.

Olympic Park staff told to ‘drop everything’ and get to the pool

A staff member at the scene said they were told there was a “critical incident”, to “drop what they were doing and get to the Olympic Park”.