A missing person search is underway in Ardrossan with a heavy police presence - including a helicopter spotted over the top end of the town. 

Vans and cars have been spotted in the Lawson Drive, Chapelhill Mount, Burns Terrace and Nithsdale Road areas.

The helicopter has been circling the area for the last 20 minutes.

Police Scotland has confirmed that the incident is connected to the search for a missing person.

More as we get it.