ARMED police have rushed to an estate causing a local school to send an urgent warning to parents.
Police are at an estate in Portrack, a housing estate in the east of the Stockton, County Durham.
GoogleA school has warned of an ongoing incident[/caption]Several large police vans, along with armed officers, are said to have an area of the Stockton estate on lockdown.
Photos show armed police standing next to their vehicles holding rifles and wearing body armour.