India, July 18 -- Following his indictment by United States law-enforcement authorities for alleged links with gangsters, Punjab Police on Saturday arrested its inspector, Gurinderjit Singh Nagra, on charges of extortion and corruption.

Nagra stands accused of attempting to extort $400,000 ( Rs.3.81 crore) from a Los Angeles-based family by threatening to implicate their relatives in Punjab in a fraudulent murder case.

Jalandhar range deputy inspector general (DIG) Naveen Singla confirmed the arrest.

Based on the federal indictment last week, Singla ordered a probe against Tanda station house officer Nagra, who was shifted to the police lines in Hoshiarpur following the allegations.

Jalandhar rural superintendent of police (investigat...