At least 12 were injured in clashes between the supporters of Awami League (AL)- backed chairman candidate and Independent candidate in Barguna's Amtali upazila on Monday night.
Five motorcycles were also torched during the clashes.
Of the injured, Shanu Hawlader, 50, Shahidul Mallik, 45, Jasim Gazi, 40, Zakaria, 26, Lokman Sikder, 45, Nasir Hawlader, 50, and Abdus Salam, 30, were admitted to Amtali Upazila Health Complex first and later shifted to Barisal Sher-e-Bangla Medical College Hospital.
Locals said 10 to 12 men, led by and upazila Chhatra League President Mahbub Islam, also supporters of AL nominated chairman candidate Akhtaruzzaman Badal Khan, attacked Shanu Hawladar, a follower of Independent chairman candidate Advocate Mohsin, in the Patakata dam area under Chawra Union and vandalized his shop.
Hearing the news, Mohsin's supporters rushed to the spot and locked in a fierce clash with their rivals that left 12 people injured.