More than 20,000 fish found dead in Co Louth river pollution incident

Authorities are investigating a significant fish kill in Co Louth (David Cheskin/PA)

More than 20,000 fish have been discovered dead in the River Glyde in Co Louth, Inland Fisheries Ireland (IFI) has said.

The state agency said the “locally significant fish kill” was reported on Tuesday evening and affected a “considerable stretch of the river”.