<span style="color: #222222;">In Afghanistan, at least six people were killed and 27 injured in a powerful bomb explosion outside the gates of Kabul University today morning. According to police, no group has claimed responsibility for the attack.<br />''<br />''Kabul police spokesman Ferdous Faramarz said that the early morning blast also set two vehicles ablaze although it wasn't clear if the attack was carried out by a suicide bomber or a remotely detonated bomb. <br />''<br />''The university compound houses several hostels where many students stay over the summer, attending classes and conducting researches.</span><br />