<p>"The rockets were fired from an unknown location and hit residential areas at around 7.10 a.m.," a police officer said.<br /><br /></p>.<p>Tolo television channel quoted Kabul police chief as saying that investigations are underway to find the location of the firing and whether there were casualties. </p>.<p><br />The attack on Kabul comes at a time when Afghans are getting ready to go to presidential polls Thursday. </p>.<p><br />On Saturday, a suicide car bomb exploded next to NATO-led troops' headquarters and the US embassy, killing seven civilians and wounding over 90. </p>.<p>The Taliban fighters have called on Afghans to boycott the elections and have vowed to derail the electoral process.</p>
<p>"The rockets were fired from an unknown location and hit residential areas at around 7.10 a.m.," a police officer said.<br /><br /></p>.<p>Tolo television channel quoted Kabul police chief as saying that investigations are underway to find the location of the firing and whether there were casualties. </p>.<p><br />The attack on Kabul comes at a time when Afghans are getting ready to go to presidential polls Thursday. </p>.<p><br />On Saturday, a suicide car bomb exploded next to NATO-led troops' headquarters and the US embassy, killing seven civilians and wounding over 90. </p>.<p>The Taliban fighters have called on Afghans to boycott the elections and have vowed to derail the electoral process.</p>