The police arrested two persons on the charge of hoarding explosive materials, including detonators, near Kulasekaram on Tuesday night.
A police team raided a quarry at Pooravur near Ponmanai and seized one kg of explosive materials,16 detonators and wick to the length of 74 metre.
The arrested were Maria Arbudham (49) and Ramachandran (33) of Verkilampi.
During interrogation, they told the police that they kept the the explosive materials to blast a quarry.
The Kulasekaram police have registered a case.