Kasur - Rivals attacked and injured former Chunian tehsil nazim Sardar Shaoib Alamgir and two of his security guards over old enmity on Sunday near THQ hospital at Changa Manga-Chunian Road in Chunian Police limits. However, the nazims guard retaliated against the attack that led an exchange of fire between the two groups, suspending traffic for about 10 minutes and shattering the glasses of shops on the road. The former tehsil nazim along with two guards Nadeem and Rasheed was coming from MPA Sheikh Allodin in their van (KSB-88) their rivals ambushed them when they reached near Chunian THQ Hospital. The fire was retaliated and after a trade of firing for about 10 minutes, Alamgir, his guards Nadeem and Rasheed sustained serious bullet injuries. They were rushed to THQ Chunian Hospital but were referred to Jinnah Hospital Lahore in a critical condition. Though police were at stones throw, they reached the site after attackers fled.