Iarnród Éireann says it is increasing security at certain north Dublin stations due to concerns raised by DART drivers about increased violence and anti-social behaviour.

It is believed some drivers want to stop DART trains from travelling to northside stations after 7pm at weekends after a spate of incidents.

Figures obtained by RTÉ's This Week programme last week showed that anti-social behaviour on Iarnród Éireann trains had jumped by 43% in a two-year period.

Barry Kenny of Iarnród Éireann said that additional security personnel would be on duty at one specific station, and that there would be three mobile security patrols working across the northside of the city.

"We want to maintain a safe environment for both customers and employees, and will continue to liaise with our staff," he said.

The enhanced security measures represent a 50% increase, he said, and will also include more personnel at a remote monitoring centre, where CCTV from across the network is observed.

Physical alterations are also planned for several stations to counteract trespassing issues.

Dermot O'Leary, General Secretary of the National Bus and Rail Union, said his union would be closely monitoring how the increased security would work over this weekend.

He said if the initiative did not work rail drivers would consider withdrawing services from certain areas at certain times.

Particular concern had been raised over continued violent incidents at DART stations "north of Connolly", and the idea of withdrawing services at these stations during weekend evenings had been suggested.

The union has already called on Minister for Transport Shane Ross to establish a dedicated transport police, similar to one in the UK.

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