LUCKNOW: The Uttar Pradesh Special Task Force has arrested four persons of an international gang involved in narcotics smuggling, officials said here on Thursday. Based on a tip-off, the accused were nabbed from the Bilsanda area of Pilibhit district on Wednesday, they said. A consignment containing around 11 grams of cannabis and 968 grams of opium, altogether worth about Rs 65 lakh in the international market, was recovered from their possession, the officials said. The arrested persons have been identified as Sarvesh Kumar Gangwar, Netrapal, Aslam and Aziz, they added.