President Tuđman made a speech on 5 October 1991 in which he called upon the whole population to
mobilize and defend against
Greater-Serbian imperialism pursued by the Serb-led JNA, Serbian paramilitary formations and rebel Serb forces. On 7 October, an explosion occurred within the main government building in
Zagreb while Tuđman,
Mesić and
Marković were present. The explosion destroyed several rooms of
Banski dvori, but failed to kill any of the leaders. The government claimed that it was caused by a JNA air raid.