HYDERABAD: Two persons were injured following clashes between two groups in Palkigarden in Hussainialam area of the city on Wednesday night.Reportedly, a minor argument between a pan shop owner and customer snowballed into the clashes. The argument started over a soiled currency notes and escalated to a fight between them. As both the persons belonged to different communities, soon, people from both sides gathered and clashed. Both sides also hurled stones at each other.Acting swiftly, authorities deployed large number of police force and Quick Action Team (QRT) to control the situation."A person belonging to one community came to a pan shop to purchase pan. During this transaction, a soiled note was given by the customer to the vendor or vice versa. The customer attacked the shop owner, who belong to another community and later, people from both the communities gathered and someone hurled stones in which two persons were injured," senior police officers told TOI.The incident took place at around 9.50 pm on Wednesday."The complainant stated that at about 9.50pm he came to know that his elder son was being beaten up. Then complainant and his wife went near the pan shop, where the prime accused and his friends had beaten their elder son. When the complainant and his wife went to rescue him, they were beaten by the accused with an iron rod, which led to injury on his forehead. Immediately, Hussainialam staff went to the spot and sent him to OGH for medical treatment," police said on Thursday morning.