The Aranmula police have seized as much as 1,000 kg explosives from an illegal cracker unit operating from a rented house at Naranganam near Kozhencherry on Tuesday midnight.

The police raid on the rented house was on the basis of a telephonic tip-off received by the Sub-Inspector, B. Vinodkumar, on Tuesday.

The police raid party led by the SI reached the spot around Tuesday midnight and broke open the door to enter the house.

According to Mr Vinodkumar, the huge quantity of explosives, that include highly explosive potassium nitrate and potassium chlorate, were found stocked in bags inside all the rooms of the house. Even the explosive materials were found to have been callously dumped inside the toilet rooms attached to the house, he said.

The police have registered a case under the Explosives Act against Krishnankutty alias Ayroor Mani, a pyrotechnic expert, who had been running the illegal cracker unit there.

The Bomb Detection and Disposal Squad from Pathanamthitta reached the spot and took the explosives into custody for its safe disposal. The explosives were disposed inside a granite quarry, later, on Wednesday afternoon, police said.