Shortly after 5am today a number of masked men approached staff arriving at business premises.
They appeared to be carrying bats or iron bars.
The staff members made their escape, however the gang stole money from their car.
Neither of the staff members was injured.
Police are keen to hear from anyone who saw a group of four or five men in the Pennyburn Industrial Estate.
Information can be given on the police non-emergency number ( from the North) 101 or by calling the Crimestoppers Charity anonymously on 0800 555 111.