India, March 17 -- Tension erupted in Manipur's Churachandpur district on Monday following a shutdown call to protest an attack on a Hmar tribe leader on Sunday evening, prompting the authorities to impose prohibitory orders in the district to maintain peace.

Hmar Inpui, the apex body of the Hmar tribe, had called for a shutdown to protest against the assault of its general secretary Richard Laltanpuia Hmar, who was attacked by some unidentified persons at 7:30pm on Sunday. In a statement, the group said Laltanpuia was on his way home when he was intercepted, blindfolded, and assaulted on the campus of VK Montessori School, Churachandpur, despite identifying himself.

Hmar Inpui had also asked those responsible for the attack to surrende...