A commuter group says at least two people collapsed on overcrowded trains in Dublin during rush hour today.

Fireworks being set off on trains, passengers drinking and taking drugs, and people urinating on platforms are some of the issues raised with Dart security staff.

Iarnrod Eireann is taking steps against anti-social behaviour on DARTS in Dublin.

The numbers 7, 7A and 46A buses go from the city centre to Dún Laoghaire, and Dublin Bus is accepting rail tickets.

A wheelchair user has said she was forced to quit her job because of the problems faced by disabled people getting the DART.

Frustrated commuters will have to wait until 2023 for new rail carriages to cater for a significant increase in passengers.

"It's time Minister Ross took action and sought the established of a full-time transport police service."

Irish Rail has admitted that it is concerned by the rise in anti-social behaviour on trains.

A Sunday service will operate for rail commuters today with some minor changes.

Dublin’s Pearse Street and Tara Street Dart stations will be closed this weekend to facilitate ongoing work to the Victorian roof of Pearse Street station.

Update 5:15pm: Part of the DART line in Dublin has re-opened following an incident near the tracks at Harmonstown.

There is major disruption for rail passengers in Dublin this evening.

Residents around Pearse Street in Dublin say the noise at the Dart station is keeping them up all night.

This is the second of 12 weekends of disruption at the station over the next year-and-a-half due to the works.

Alternative transfers will be put in place.

There will be no train and dart services into and out of one of the country’s busiest rail stations this weekend.

Gardaí are investigating an alleged assault on a train in Dublin last night.

The roof of Pearse Station in Dublin's to be replaced, with major works kicking off this Bank Holiday weekend.

Dublin's Dart services at a number of stations will receive extra security in the run-up to Halloween.

Many passengers have complained about capacity issues since the timetable change.

Dart users are angry at Irish Rail over timetable changes which will see fewer trains stopping at three northside stations.

DART services have been disrupted in Dublin tonight after a "tragic incident" at Portmarnock.

The rail line between Bray and Greystones in Wicklow has reopened.

The Dart line between Bray and Greystones in County Wicklow will be closed for the day after a fire.

Dart drivers have threatened to strike over a string of attacks on trains, including the hijacking of a carriage last month.

There are calls for Dart stations to be manned at all times with trained workers who can help people at risk of suicide.

Irish Rail is welcoming a planning decision that protects a proposed Dart Underground station.

Disruption to rail services on the south side of Dublin will continue across the weekend.

Transport Minister Shane Ross says they will come on stream in the next six months.

Buying a home close to DART and Luas stops now costs an extra €100,000.

Disruption to DARTs between Dalkey and Greystones is expected to continue for the rest of the weekend.

Dart services have now resumed after a "tragic incident" at Dublin's Howth Junction station this morning.

Passengers tackled a graffiti gang of balaclava-clad youths — armed with knives and wooden planks — who forced a train to stop at a station during 20 minutes of “terror”.

Up to 20 youths wearing balaclavas stormed a train last night and brawled with knives and blocks of wood, as they spray painted a train, threatening passengers and causing around €4,000 damage.

Irish Rail is warning passengers in Dublin to expect major disruption to services over the long weekend.

Rents are continuing to rise for homes close to DART stations and Luas stops in Dublin.

DARTs have returned to normal after a technical fault left thirty customers stranded on a train.

Bus transfers are going to be in place today for train commuters between Dublin's Heuston station and Waterford.

Gardaí have been called to a fight on a train in Dublin.

A decision to refuse planning permission for a large-scale office block in Dublin as it could jeopardise plans for the €4.5bn Dart underground has been branded unreasonable and unnecessary by the developer.

Irish Rail says the Dart line should be extended to commuter towns using hybrid trains.

Rents for two- and three-bedroom homes close to the new Luas cross-city route soared by 21% in the last year.

What’s planned and funded won’t catch up on, let alone pass out, what’s coming, writes Gerard Howlin

They are advising passengers to check before travelling.

Latest: Two people are receiving medical attention after a DART train derailed in Dun Laoghaire earlier today.

Property Website, Daft.ie, has launched an online map with the average asking prices for houses on rail lines across Dublin.

Irish rail is adding to its service for Christmas.

Latest: In Dublin, all DART services are back up and running.

Update 2.04m: Iarnród Éireann is to investigate the cause of an engine fire on one of its trains this morning.

Irish Rail is being warned workers may go on all out strike at the company.