The public's assistance is being sought in tracing the whereabouts of 25-year-old Mehdi Hasan who has been missing since the early hours of yesterday morning.

Mr Hasan was last seen on Leeson Street in Dublin at around 4am yesterday.

He is described as being 1.6m (5'5") in height, of slim build and clean-shaven with brown eyes.

When last seen he was wearing a charcoal black blazer, blue long-sleeved shirt, black jeans and brown shoes.

Gardaí are concerned for Mehdi and are asking anyone who may have seen him or who can assist in locating him to contact Pearse Street Garda Station on 01-6669000, the Garda Confidential Line on 1800 666 111 or any garda station.