A suicide bomber drops his explosives at the entrance gate . Two or three other attackers then managed to charge inside the main building , armed with machine guns and more explosives , said Mohammad Ayoub Salangi , chief of Kabul Police . Other heavily armed attackers storm inside the building . Afghan security forces begin operations to eliminate the attackers . Part of the building catches fire amid the violence .
A suicide bomber drops his explosives at the entrance gate . Other heavily armed attackers storm inside the building . Afghan security forces begin operations to eliminate the attackers . Part of the building catches fire amid the violence .