Two children were seriously injured after falling a tree in a public park.
Officers Called for reports of a tree falling in Chackwell Park South &Around 3 pm on Saturday, Essex Police said.
“We are on the scene of a serious incident in Chackwell Park. Along with the ambulances and fire service colleagues, officials are replying,” the force said.
“There have been many casualties and our work continues in the scene.
“We will please ask the public to escape from the region where this work continues.”
Police said that at least two people were seriously injured in the incident, two children were among the casualties with BBC reporting.
It is believed that ambulances and air ambulance services are in the scene of the incident.
This is a braking news story. More to follow.