sun rose over kabul, the building still smoking, we understand a fire was ignited when the building was attacked. the police very cautiously still searching through the building looking for more victims and indeed survivors but also very wary in the chaos, there may still be taliban insurgents hiding in the buildinging. in the previous attack in 2008 the attackers described themselves as policemen and when the police eventually made it into the building, it was only by chance that they spotted one of the attackers in his uniform as he tried to flee. there s no suggestion that last night s attack that the insurgents used police disguises. eyewitnesss said they saw these men laden with explosives. one said an attacker was carrying at least ten rocket grenades attached to his belt. we understand they were wearing afghan robes. i m zain verjee at cnn in london. world business today starts now. good morning from cnn london and welcome to world business today. i m nina dos