Indonesian leader Joko Widodo warned Tuesday that officials would be sacked if they failed to stamp out rampant forest fires that are belching out toxic smog over Malaysia and Singapore.The threat came as Indonesia faced pressure from its neighbours to douse the blazes, which are blamed for sending air quality plummeting in parts of Southeast Asia."I've told the military and police chiefs to sack people who don't tackle forest fires," Widodo told a ministers meeting on the