Millions of Pakistanis are expected to cast their ballot to decide the fate of over 23,000 candidates in National Assembly and provincial assembly seats.
Pakistan's landmark parliamentary polls will elect a new civilian government for the next five years.
The 20-day election campaign ended at midnight Thursday.
Election for 342 seats of the National Assembly and 728 seats in the four provincial assemblies will be held simultaneously May 11. Polling began at 8 a.m., and will continue until 5 p.m. without any break.