Railway Safety Act 2005
Arrest without warrant.
99.—(1) A member of the Garda Síochána may arrest a safety critical worker without warrant if he or she has reasonable cause to suspect that that worker is committing or has committed an offence under section 97 or 98.
(2) For the purpose of arresting a safety critical worker under subsection (1), where a member of the Garda Síochána has reasonable cause to suspect that the worker is committing or has committed an offence under section 97 or 98, the member may enter (if need be by force) any place where that worker is or where the member, with reasonable cause, suspects him or her to be.