More than 600 jobs are going at the firm

In October, parent company Bombardier announced it was cutting up to 645 jobs at the plant.

At that stage, management entered a 90-day consultation period with trade union officials and that is now ending.

There have been a number of voluntary redundancies and the company says it has had some success in finding other work for employees elsewhere.

A statement on the actual number of staff losing their jobs is expected within days, and the redundancies will be staggered over the next six months.

These latest cuts leaves the company with a workforce of about 4,700 people - the lowest level for many years.