Gardaí and Emergency Services attended the scene of a three vehicle road traffic collision at Drumgooles Cross, Collon, Co. Louth at 11.20am yesterday.
A man in 70s, a woman in her 50s and 2 men in their 30s were taken to Our Lady of Lourdes Hospital in Drogeda for treatment.
There injuries are believed to be non-life threatening.
Investigations are ongoing.
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