The attackers assaulted Khizir, leaving him seriously injured. They also tore his clothes, alleged Parveen.
The case was filed against 97 named accused, including Mirza, and some 56 to 60 unnamed accused, said plaintiff s lawyer Harunur Rashid Hawlader.
The other case was filed against Khizir and his followers.
Iqbal Hossain Swapan, a member of Companiganj upazila unit Sramik League and also a supporter of Mirza, lodged the case accusing 196 named persons, including Khizir, and some 50 to 60 unnamed ones.
In the case statement, Swapan alleged that a group of people, led by Khizir and the upazila unit AL Organizing Secretary Mizanur Rahman Badal, attacked Mirza and his supporters while they were in a meeting at Basurhat city unit AL office at Rupali Chattar on March 8 afternoon.