QUETTA: Two people were injured in a hand grenade attack at the barber shop in Sariab road area, late on Monday evening. Police said that unknown people riding motorcycles attacked the barber shop in Sariab area with a hand grenade which exploded inside the shop, resulting in injury to two people including the shop owner and another person. Soon after the incident, police rushed to the site and shifted the injured to civil hospital where the condition of one injured is stated to be serious. Police were investigating the incident.