Police cordon in placeÂ on South Yorkshire park
There are reports this eveningÂ of a police cordon in place on a South Yorkshire park.
Eyewitnesses say part of Wheatley Park in Doncaster has been cordoned for much of the day.
Witnesses said the areas was '˜rife' with police cars, a riot van and lots of officers on foot.
South Yorkshire Police have yet to comment on the incident.
More to follow.