Gardaí are investigating an incident in which a man was seriously injured after he was allegedly pushed in front of a bus at Aston Quay in Dublin City Centre.

The incident involving a Dublin Bus vehicle happened on the corner of Crampton Quay and Bedford Row at around 6.30pm.

It resulted in lengthy traffic delays which have now eased off.

The scene remains sealed off.

The man, who is in his 30s, has been taken to St James's Hospital.