Over 500 loaded trucks, carrying essential commodities, and oil tankers have reached here amid tight security. The capital has been hit by a blockade since November 1.
Despite efforts by the government and voluntary organisations the United Naga Council (UNC), which had imposed the indefinite economic blockade did not calling it off.
UNC activists also dug up the highway at several places, pelted stones and obstructed the movement of the trucks.
There were demonstrations on Tuesday demanding the unconditional release of the UNC president Gaidon Kamei and the publicity secretary Stephen Lamkang.
Chief Minister Okram Ibobi Singh said: "The law will take its own course and there is no question of releasing them now."
The Manipur High Court had directed the state government to provide "adequate security" to the vehicles plying along the highways.
However, the government was yet to make such arrangement along the highway that snakes through Nagaland.
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