The Headquarters Mobile Support Unit is the police tactical unit of the Police Service of Northern Ireland. The HMSU was originally formed in the then Special Branch part of the Royal Ulster Constabul
The Emergency Response Unit is the police tactical unit of the Garda Síochána, Ireland's national police and security service. The unit was a section of the forces' Special Detective Unit, under the C
Garda Síochána Emergency Response Unit (ERU) tactical team disembarking from a helicopter
Garda Emergency Response Unit members conducting anti-terror maritime operations on the River Liffey, Dublin
The Garda ERU's Stoof Armoured Tactical Truck on Lower Baggot Street, Dublin.
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