India, Sept. 26 -- The social activist Sonam Wangchuk was put under preventive detention on Friday and slapped with the National Security Act (NSA), two days after violent protests, over statehood and constitutional protection under sixth schedule, left four persons dead and 90 injured in the Union Territory of Ladakh, officials said.

Police have shifted Wangchuk out of Ladakh, while the Ladakh administration has snapped all mobile internet connections within the jurisdiction of Leh district as a precautionary measure, they said.

In a day of fast-paced developments, the detention of Wangchuk was sudden. He was scheduled to address a press conference in Leh at 2:30 pm but when he failed to arrive, the people at the venue became concerned...