Two security guards have been killed in an attack by a suicide bomber in the Afghan capital, Kabul.
The blast occurred inside a shopping and hotel complex after a man carrying explosives was challenged by guards.
The BBC reports the guards opened fired and the explosives he was carrying were detonated.
It was the second attack in less than three weeks in the capital. Nine people died there in an attack on a supermarket on 28 January.
The Taliban has told the BBC it carried out that attack.
