KATHMANDU: Police on Friday arrested three persons in possession of various controlled drugs from Banasthali Kharibot of Kathmandu. Devraj Tamang (27) from Gaighat-2 of Udayapur, Bhimsen Adhikari (28) from Dibyanagar-9 of Chitwan and Sachin Shrestha (28) from Bohoratar of Kathmandu were arrested during a regular security check yesterday. Police seized more than 100 ampoules of controlled pharmaceutical drugs from their possession. Further investigation is underway.