Islamabad [Pakistan], April 21 (ANI): Voting for by-elections in Pakistan is underway for twenty-one vacant seats of National and Provincial assemblies amid strict security on Sunday, ARY News reported. Elections are being held for five seats in the National Assembly, twelve seats in the Punjab Assembly, two seats in the Khyber Pakhtunkhwa Assembly, and two seats in the Balochistan Assembly, according to the Election Commission of Pakistan. There will be no breaks in between the polls until 5 pm. Election Monitoring and Control Centres have been established by the Election Commission to track …