A POLICE helicopter joined the search for four people reported acting suspiciously in the grounds of a Wiltshire college.

Local officers from Chippenham community policing team were joined by the dog unit and police helicopter at Lackham College, near Lacock, at around 10am on Saturday, September 9.

Two men, aged 19 and 25, and two women, 22 and 28, were arrested on suspicion of possession of an offensive weapon – a small axe.