The United Nations, which has been supporting the process, has urged Afghans to "use this opportunity to exercise their constitutional right to vote" and called for the election to take place in a safe and secure environment.
The Taliban achieve a tactical and propaganda coup against the American led occupation force.
US forces in Afghanistan have relied on local warlords to maintain peace, and time and again, this has proved to be a chaotic strategy. How long can this cycle continue?
Almost nine million voters in Afghanistan are registered to cast their ballots in Saturday's parliamentary polls that are being conducted after a three-year delay.
The Taliban claimed responsibility for the attack in the southern city of Kandahar that claimed the lives of the provincial governor, intelligence and police chiefs.
Almost nine million people have registered to vote in the October 20 parliamentary election, which is more than three years late and only the third since the fall of the Taliban in 2001.
Taliban claimed responsibility for the attack in the southern province of Helmand that killed Abdul Jabar Qahraman, who was preparing to contest Saturday's parliamentary polls.
Private military contractors offering armies for hire emerged as a powerful stakeholder in the business of war. Governments can outsource compartmentalised jobs to mercenaries or private security contractors, without much international oversight.
The global market for mercenaries and private military contractors is worth more than $100 billion, and the lines that differentiate the two are blurry.
Taliban and Daesh have carried out several deadly attacks in the run-up to Afghanistan's long-delayed vote, which will only be the third parliamentary elections to be held in the country after the US invasion in 2001.
The latest blast occurred in the northeast province of Takhar as Taliban confirmed that its leaders met US envoy Zalmay Khalilzad in Qatar to discuss ending the Afghan conflict.
The Americans militarily defeated the Taliban in quick time in 2001. But war is now in its seventeenth year and seen the resurgence of the Taliban, and the US nation-building project has failed miserably.
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