A youth was killed and 20 others were injured at Manikar union in Meghna upazila of Cumilla district during the Union Parishad (UP) polls across the country on Thursday.
The deceased was identified as Shaon Mia, a supporter of an independent candidate for chairman post.
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Locals said a clash broke out around 12pm between the supporters of Awami League-backed candidate Jakir Hossain and independent candidate Harun-ur-Rashid over establishing dominance at Amirabad Primary School center in the union leaving over 20 people injured.
Later, the injured were sent to Meghna upazila Health Complex where doctors declared Shaon dead.
Dr Salauddin Molla, consultant of the Health Complex, said one of the inured died upon arrival and six others were shifted to Dhaka for better treatment as their condition deteriorated.
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Polling began in 835 of 848 UPs at 8am on Thursday and will continue till 4pm.
More than 41,000 candidates, including 3,310 contenders for the post of chairman, are contesting in the countrywide second phase UP election.