Gujarat hooch tragedy: What makes 'spurious' liquor deadly?

Gujarat hooch tragedy has claimed 40 lives. Around 70 are hospitalised. Bootleggers sold hooch made with highly poisonous methyl alcohol to the locals. Liquor was sold in small plastic bags. A single pouch costs Rs 40. FIRs have been registered against 24 main culprits. But what makes hooch lethal? Watch to know more.