Leh, and nearly all of Ladakh is overwhelmingly Buddhist. There isn't any separatism problem there. Besides, the Indian Army presence there along the Indo-Tibet(China) border and the presence of numerous forward bases won't let trouble go for too long.
Kargil, where this incident took place, is a border town along the Pakistan-occupied part of Kashmir. It borders the Muslim parts of Kashmir, and is violence-prone. About seven years ago, a major military operation took place there to flush out Pakistani Muslim insurgents who sneaked into the border during the summer snow-melt season.
Violence occurs in the proximity of Muslims? **Gasps in startled surprise**
/sarc sarc sarc
Kick the Mooselimbs out of Ladakh and Jammu. Kick them all to the land that was created for them -- Jinnah wanted all Hindus and others out of pakiland and all mosslimbs out of Hindustan, so let's fulfil his wishes.