Officials investigate worst fish kill in the Eastern Fisheries area.
Around a thousand brown trout and salmon have been wiped out along a four-mile stretch of a tributary of the River Glyde.
Situated in south Monaghan close to the Louth-Meath border with County Cavan, this is an important fishing and spawning area. It is suspected that farm effluent was to blame. The summer's heatwave meant that river levels were low, making it particularly vulnerable to poisoning.
This afternoon experts were electro-fishing at the Glyde to assess the damage. But there were no live fish left for them to catch.
The damage can't be undone.
Fisheries inspector Paddy Green believes it could take a couple of years for the river to recover.
An RTÉ News report from 26 June 1995. The reporter is Alasdair Jackson.