The 17-year-old neighbour has confessed to the killing and police said he will face 'decisive action'.
The attack during the rush hour was the worst to hit Afghan capital since the 2011 suicide blast.
A suicide car bomber has blown himself up near the defence ministry in the Afghan capital.
UN report has condemned number of children killed during the violent conflict in Afghanistan.
BREAKING: People in Lahore, Rawalpindi, Multan and Islamabad run out of homes due to quake.
US secretary of state flew to Japan after a surprise stop in Afghanistan.
IBTimes UK looks at the latest T20 tournament, which saw the West Indies seal their second title in India.
The app was part of the Taliban's propaganda strategy and offered videos and statements in Pashto.
Mullah Rahim and 50 of his men are talking on Daesh despite being unpaid and untrained.
Afghanistan shocked West Indies, beating them by six runs in a Group 1 encounter of the ICC T20 World Cup 2016.
Wife claims her husband admitted to having casual sex with men near MI6's headquarters
West Indies face Afghanistan in the ICC T20 World Cup 2016 clash on Sunday. Find out how to follow the match live.
England have kept their hope of making it to the semi-final of the T20 World Cup alive after beating Afghanistan.
IBTimes UK brings you live coverage Group 1 clash between England and Afghanistan.
England face Afghanistan in the ICC T20 World Cup 2016 clash on Wednesday. Find out how to follow the match live.
Shahzad claim Afghanistan would have come close to winning if Dale Steyn was playing.
South Africa sealed their first win by defeating Afghanistan in the ICC T20 World Cup in Mumbai.
IBTimes UK brings you live coverage of Group 1 clash between South Africa v Afghanistan.
South Africa face Afghanistan in the ICC T20 World Cup clash on Sunday. Find out how to follow the match live in the UK.
Tillakaratne Dilshan hits 83 as holders begin their defence with a six-wicket victory in Kolkata.
Sri Lanka take on Afghanistan in Group 1 game at Eden Gardens, Kolkata.
Scotland also achieved their first win in 21 attempts at a major global tournament.