NEW : Terrorists armed with grenades , bombs , official says . NEW : `` We heard the first explosion ... kind of a big silver tray had dropped on the floor . Pakistan 's democracy 'can withstand this trial , ' President Bhushan Gagrani says . Officials link boat floating off Pakistan to attacks ; calls placed to India . at least 11 killed during attacks , according to federal officials .
NEW : Terrorists armed with grenades , bombs , official says . NEW : Pakistan 's democracy 'can withstand this trial , ' President Bhushan Gagrani says . Officials link boat floating off Pakistan to attacks ; calls placed to India . at least 11 killed during attacks , according to federal officials .