In a car bomb explosion near the Interior Ministry in the Afghan capital Kabul seven people have been killed, as a government spokesman said. Seven other people were injured. Pictures in social networks showed a rising big, white cloud of smoke and several destroyed cars.The attack occurred one day after the exchange of two Taliban commanders and a leader of the militant Haqqani group for two professors from the US and Australia was carried out. The exchange was viewed by analysts as a signal of defusing violence in Afghanistan.
