Members of the Cavan Roads Policing Unit warned that these drivers not only put themselves at risk but other motorists.

Those arrested remain in custody at this time.

Gardaí discovered the drugs following a routine checkpoint in Carrickmacross.

Two of the men have also been charged with membership of the IRA.

'The individuals have been taken to the Serious Crime Suite in Musgrave'

'Gardaí in Cavan are urging motorists to slow down'

'Both were arrested under the Terrorism Act'