CHAKWAL: Voting in Chakwal’s PP-20 began early on Tuesday morning in a by-election. Pakistan Tehreek-e-Insaf’s (PTI) Raja Tariq Afzal and PML-N’s Haider Sultan Ali, Liaquat’s son, are competing to win the seat. The seat fell vacant on October 30 after the Pakistan Muslim League-Nawaz’s (PML-N) MPA Chaudhry Liaquat Ali Khan died. According to Election Commission of Pakistan (ECP), 227 polling stations have been set up for the 279,538 registered voters. Five polling stations have been declared highly sensitive and 45 others as sensitive. Out of 814 polling booths, 393 have been set up for women and 421 for men. Over 100,00 female voters are expected to cast their ballots today. Polling will continue until 5pm today.