In a huge haul of explosives, 2800 gelatine sticks and 1400 detonators were today seized from nearby Pollachi and four persons detained in this connection, police said.
Police, during a vehicle check, stopped a three-wheeler at Kottur in rural limits and on search found the explosive materials.
There were no valid documents to carry the explosives and police detained four occupants in the vehicle who claimed that it was to be used for digging wells in the area.
They are being questioned, police added.