Gardaí investigating the activities of an organised criminal gang in Drogheda have seized two pipe bombs, gun powder, and a large quantity of ammunition.

Officers from the Louth Divisional Drugs Unit made the discovery during the course of a search of a house in the town yesterday morning.

Gardaí also found cocaine worth around €1,100 along, with €500 worth of suspected Alprazolam tablets.

The army Explosive Ordnance Disposal team removed the two improvised explosive devices and other material believed to be used in the manufacture of explosives for further detailed examination.

The scene was made safe at around 5am this morning, but remains sealed off for a forensic examination.

Two men, one in his early 40s, another in his mid 50s, have been arrested as part of the investigation.

They are being questioned at Drogheda Garda Station.

The search was part of Operation Stratus, which was set up to in Drogheda to target those involved in the drug trade and is aimed at disrupting organised crime.