NEW DELHI, Sept. 9 -- Nepal's Prime Minister K.P. Sharma Oli is running out of options as a youth-led uprising shakes the political order, with even the army appearing unwilling to come to his side. What began two days ago as anger against the government's decision to block access to social media platforms has turned into a nationwide revolt against corruption, unemployment and three decades of recycled leadership.

From Kathmandu to the border towns of Jhapa and Dhangadhi, streets have filled with Generation Z protesters who say they have had enough of the "old politics" that has kept the Nepali Congress and the Communist Party alternating in power. The demonstrations have quickly grown into the most serious challenge Oli has faced, and ...