social media networking sites in 2016 and their rivalries became aggressive in the past few years the first bomb hurling case was reported near the sangam when the students of one of the groups hurled crude bombs to create sensation among the rivals about a couples of years back they had learnt bomb making from online videosthe students of a particular group usually assemble at a fixed spot once their school gets over and then plan their strategy to take on the rival camp said the ig adding the groups pass their message on social networking site instagram and then indulge in scuffles and bomb blasts to prove their supremacy in a particular areathe crime branch officials meanwhile claimed that some group members had created ids of online gaming and used to invite online users to play and charge money from them