Police have been called to a house following reports of a burglary.
Witnesses spotted a number of police cars and officers at an address in Theobald Street, Borehamwood, at around 1pm today.
Some police officers were seen with shields.
It is believed a suspect was inside the property when police were called.
Police have since entered the house.
The homeowner was not at home but has been informed by the police of what has happened.
Police remain at the scene.
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