Taliban suicide bombers target Afghanistan spy agencyBy Masoud Popalzai, CNNUpdated 6:09 AM ET, Thu September 4, 2014Story highlightsGhazni is the regional security headquarters for Afghanistan's spy agencyThe Taliban claims responsibility for the attack19 suicide bombers took part21 people died, including all the attackers, and more than 150 were injuredTaliban suicide bombers attacked Afghanistan's regional spy headquarters in Ghazni city early Thursday, leaving 21 people dead and more than 150 civilians wounded, a government official said. Nineteen of the dead were the suicide attackers. The remaining two were members of the National Directorate of Security personnel.The NDS is the nation's spy agency.Just WatchedIs Afghanistan in a state of paralysis?replayMore Videos ...Is Afghanistan in a state of paralysis? 08:04PLAY VIDEOA Taliban spokesman claimed responsibility for the attack.The assault began when one of the suicide attackers detonated an explosives-filled truck at the front gate of the spy agency, said Shafiq Nang, a spokesman for the governor of Ghazni province. Twelve of them stormed the NDS. Six others hit the Rapid Reaction Police headquarters in the city.For the next hour, Afghan security forces battled the Taliban attackers until all of them were killed, he said. Most of the injuries were the result of broken glass and collapsed roofs from the explosion.READ: Insider attacks: Why do some Afghan forces turn and kill allies?READ: Kerry makes stop in Afghanistan over election crisisAfghanistanVoting ends in presidential runoffAfghans have finished casting their ballots to pick a president in a runoff election between former Cabinet ministers. Afghan voice: I won't be silencedSinger and ex-judge on The Voice of Afghanistan advocates women's rights -- despite death threats for not wearing a headscarf.'For Afghan women, life is better'The improvement in the quality of life for Afghan women is unmistakable, say a bipartisan coalition of women in Congress.Obama outlines foreign policyPresident Barack Obama outlined a foreign policy vision of "might doing right."Afghan girl saved from marriageShe was to be married off to pay for her father's debt -- here's her story.Can rappers turn out youth vote?One music producer hopes to get out Afghanistan's youth vote with a song competition. CNN's Sherisse Pham reports.Defying Taliban's threats to voteDespite threats from the Taliban, Afghans turned out in large numbers to cast their vote for a new president and future.Vote: Women could be crucialIt was not too long ago -- in 2001, prior to the U.S. invasion -- that Afghanistan's women were all but entirely marginalized. Afghans vote: Who's running?As Afghan voters prepare to go to the polls in a hugely important election, CNN looks at the main presidential candidates.What if elections actually work?Despite the looming Taliban presence, Afghanistan could see its first democratic transfer of power, Peter Bergen writes.'We still need America's help'As the U.S. prepares to withdraw troops, an Afghan Army commander says America's support remains critical.Inside a firefight with the Taliban With U.S. Special Forces in Afghanistan, CNN's Anna Coren reports on a Taliban firefight lasting more than 90 minutes.Graffiti artist defies Taliban threatsMallika Kapur has the story of a young Afghan graffiti artist who, despite Taliban threats, pushes for free expression.Afghanistan's war historyAuthor William Dalrymple's new book "Return of a King" looks at the history of foreign-led wars in Afghanistan.Honoring those who gave their livesCNN.com's 'Home and Away' initiative honors the lives of U.S. and coalition troops who have died in Iraq and Afghanistan.More from asiaMarital rape: Why is it legal in India?'India's Daughter,' the film banned by India: What did it show?Filmmaker: India's ban on rape documentary is 'based on nothing'