AMRITSAR, Sept. 11 -- The Amritsar police on Wednesday arrested four more drug smugglers and recovered 12kg of heroin along with a pistol and magazine, director general of police Gaurav Yadav said. The arrests came following a probe into the recovery of 8.1kg of heroin a few days ago from a notorious smuggler, Soni Singh alias Soni, and his four associates. "Four more drug smugglers were arrested and 12 kg of heroin was seized along with a .30-bore pistol and a magazine from their possession, taking the total seizure of heroin in this case to 20.1kg, the DGP added. Those arrested have been identified as Gurbhej Singh (50) and his son Gurdit Singh (22), both residents of Narla village in Tarn Taran; Malkit Singh (50) of Dall village in Tarn Taran, and Gurjit Singh (29) of Kotli Saka village in Ajnala, Amritsar. On September 8, Punjab Police had busted a heroin trafficking cartel with the arrest of the drug smuggler Soni along with his four associates- Gursewak Singh, Vishaldeep Singh alias Gola, Gurpreet Singh, and Arshdeep Singh- and recovered 8.1kg heroin from their possession. Yadav said that the latest arrests have exposed another node of the trans-border cartel operating in Tarn Taran and Amritsar Rural sectors. All accused persons were using WhatsApp to communicate with each other and with the Pakistan-based smugglers, he said. HTC...