Gardaí in Dublin are searching for two men in connection with the death of a man in the city centre this evening.

The man, who is believed to have been in his 20s, was struck by a bus following a confrontation at the junction of Dawson Street and Nassau Street.

He sustained serious head injuries and gardaí are still trying to identify him.

Dublin Bus is also investigating the incident.

Gardaí say Nassau Street from the junction at Dawson Street to Grafton Street will remain sealed off tomorrow morning as the scene is still being forensically examined.

A post mortem is due to be carried out on the man’s body in the morning.

Gardaí believe he was involved in an altercation at around 5.40pm and either fell or was punched or pushed onto the road, where he was hit by a bus.

Gardaí are treating the death as suspicious. They are trying to trace two men in connection with the incident.

Both were wearing hoodies and tracksuits.

Gardaí are appealing to them or anyone else with information on the incident to contact them at Pearse Street Garda Station.

They have spoken to witnesses, who were extremely traumatised by what they saw.

Gardaí are gathering CCTV footage from the shops, businesses and city council cameras in the area.