Colleagues of Monica Riordan, who disappeared from her workplace on Tuesday, December 20, have today made a further appeal to the public to help find her.
Monica was last seen when she was picked up on CCTV footage at around 3pm on the Tuesday before Christmas in the Grand Canal area.
Since Monica disappeared, her family and friends have made repeated appeals for her safe return.
Monica is described as being of average height, thin build and with shoulder-length blonde hair.
When last seen, Monica was wearing a long grey coat, dark jeans and grey or white trainers.