LUCKNOW, Feb. 14 -- The city police have busted a gang of tech savvy cyber frauds who used to dupe people of their money by just sending them APK files on their mobile phones. Interestingly, the fraudsters have not even passed Class 10.

An APK (Android Package Kit) file is a file format that contains all the data required to run an app on an Android device. It's similar to an executable file (.exe) on Windows.

"A joint team of cyber crime cell of the Police Commissionerate Lucknow and Thana Wazirganj Police busted the gang and arrested three criminals from Margomunda area of Deoghar district of Jharkhand," said inspector Sanjeev Kumar, Wazirganj Police Station.

"The accused have been identified as Riyaz Alam, 24, Ulfat Ansari, 32, and ...