Sofiati said 20 people were killed . Blaze hits karaoke bar and discotheque in Medan , in North Sumatra province . Score: 7 Fire official : Fire started around 10 p.m. , was extinguished within half-hour ; cause is n't known .
Blaze hits karaoke bar and discotheque in Medan , in North Sumatra province . Score: 7 Fire official : Fire started around 10 p.m. , was extinguished within half-hour ; cause is n't known .