Police Helicopter.Generic / File Pic.NL26365. The police helicopter was called to Borehamwood last night to search for a man thought to have a weapon on him. A call came into police at 7.11pm on Sunday to reports of a man believed to be in possession of a weapon in the Organ Hall Road area. A number of police units were dispatched including armed officers and the police helicopter, which hovered and circled across much of the town for some time. Hertfordshire Constabulary said a significant search was carried out but no one was found. Police have not said what type of weapon the man allegedly had nor given a description of the person they were looking for.