Kuwait city: The Ministry of Interior said Wednesday that agents of the criminal investigations sector were able to foil an attempt to smuggle a large quantity of psychostimulant substance worth KD 12 million (nearly USD 39.35 million) into Kuwait. The seizure, amounting to four million Captagon (fenethylline) pills, was hidden in an unconventional way inside water treatment pipes, according to a statement from the Ministry's General Directorate of Security Relations and Media. According to Kuwait News Agency, the security clampdown took place under the supervision of First Deputy Prime Minister and Interior Minister Sheikh Fahad Yusuf Saud Al-Sabah and in cooperation with the General Administration of Customs and Kuwait Fire Force. Acting on tips, the security services arranged with the customs authorities to facilitate the entry of the consignment into Kuwait, kept watching the route it took, and then arrested one of the culprits red-handed. The main culprit is abroad and the Kuwaiti authorities are in co ntact with the authorities of the country he is residing in as a prelude to a legal action against him, the statement noted. The consignment took a tricky route before arriving in Kuwait; it was smuggled to an Arab country and to a European one before its final destination, the statement said. The Ministry of Interior appreciated the cooperation with the anti-drug agencies of the concerned countries that led to the successful clampdown.