At least four people including Afghan soldiers and a woman have been killed in a suicide bomb attack against an army minibus in Kabul.<br /><br />The toll is likely to rise as more than 20 people were injured according to the government, which said the vehicle had been taking people to work.<br /><br />The Taliban have said they carried out the attack. <br /><br />Kabul’s deputy police chief said the bomber was prevented from getting into the bus but still exploded his vest.<br /><br />Security officials say there were at least two smaller attacks in the last 24 hours.<br /><br />Earlier this month 21 Afghans and foreigners including UN staff and the IMF’s top official in the country were killed in an assault on a Kabul restaurant.