India, Nov. 4 -- A probe into the killing of a police officer during a late-night vehicle check in Madhya Pradesh on Sunday has led investigators to an interstate liquor-smuggling syndicate, with links in Gujarat, a dry state, officials said.

The network, the Madhya Pradesh officials added, used licensed liquor outlets, concealed transport routes and specially modified vehicles to ferry illicit consignments across state borders. The role of seven people, including a Gujarat-based operator and a Congress leader from Harda, have so far emerged in the probe that was initiated after Khategaon police station in-charge Dilip Puri was allegedly run over while attempting to inspect a truck carrying illegal liquor. The Congress leader are among t...