Tension prevailed for a while in N.G.R. Layout in Roopena Agrahara following a clash between two groups on Wednesday evening. The clash was fallout of an altercation between a butcher and a customer over the payment for meat that was purchased. The butcher hit the customer on Tuesday night which made the customer’s followers retaliate on Wednesday. They came in search of the butcher but entered another house and hit two persons. The Madiwala police came to the spot and dispersed the mob.