The discovery was made on Thursday.
Gardaí in Drogheda, County Louth have seized more than €250,000 in cash as part of an ongoing operation targeting the members of activities of rival organised crime gangs.
Detective units from the Drogheda Garda Station, assisted by members of the armed support unit, conducted searches of the buildings and surrounding areas of a halting site in Mell.
During the course of the search, conducted on Thursday 9 August, cash in excess of €250,000 was discovered.
There was also an amount of suspected cocaine found, estimated to be worth about €5,000.
No arrests have been made, and investigations are ongoing.
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