SANGHAR: The polling on Sindh Assembly seat PS-81 started Thursday morning.
A tough competition is expected between Pakistan Peoples Party's Jam Madad Ali and Pakistan Muslim League-Functional's Jam Nafees Ali.
A large number of people were seen at the polling stations where strict security measures were also ensured.
The seat fell vacant after the former leader of PML-F, Jam Madad Ali, resigned from the seat to join PPP.
Two days back, by-polls were held on a Punjab Assembly seat that had fallen vacant after the demise ofPakistan Muslim League-Nawaz MPA Malik Zahoor. The polling was held for PP-23 Talagang.