The search was conducted by members of the Athlone Detective Unit, Westmeath Divisional Drug unit and the Westmeath Roads Policing Unit.

A man in his late teens and two teenage boys were arrested.

The air ambulance attended the scene but the extent of any injuries are not yet known.

The woman is currently detained in custody under Section 50 of the Criminal Justice Act 2007.

The woman in her 40s was released without charge pending a file to the Director Of Public Prosecutions.

It's alleged that over 1 million euro is involved in the case.

Both drivers tested positive for cocaine.

The driver was also found to be disqualified.