Ludhiana, Sept. 26 -- A 19-year-old was arrested in Ludhiana after he built an improvised explosive device (IED) with a timer and planted it in his uncle's shop in the Basti Jodhewal main market, over a business rivalry. This is one of the busiest markets in the city, especially during festive season.

The accused, identified as Sonu Kumar, a native of Hardoi, Uttar Pradesh, currently residing in Basti Jodhewal, had learnt the technique from YouTube and hidden the explosive in his uncle's shop after setting the timer for 1 am, September 21. But the device did not detonate as the wiring was off.

The matter came to light on Wednesday night when shop owner Ajay Kumar - Sonu's uncle - detected foul petrol odour coming from a polythene bag ke...