Nepal's youth protesters torched ministers' residences and government buildings, forcing Prime Minister KP Sharma Oli to resign on Tuesday. Oli quit after 19 protesters were killed in a brutal crackdown he unleashed on Monday. The protesters say their anger is over a recent social media ban, corruption and lack of jobs in Nepal. Will this crisis lead to a political vacuum in Nepal? How did the crisis escalate so fast? Palki Sharma tells you.