The blockade on the Imphal-Jiribam-Silchar and Imphal-Dimapur-Guwahati national highways, considered lifelines of the state, was launched from midnight last night by the Zeliangrong Students Union, demanding release of 16-year-old student, Alice Kamei, official sources said.
There was no traffic on the two national highways, while transport services between Manipur and neighbouring states were cancelled, the sources said.
The ZSU said the blockade would continue till the student was released.
Official sources said the government was considering to run vehicles with security and a decision would be taken soon.