Guwahati, July 6 -- Security forces in Manipur have intensified their investigation into a transnational arms trafficking network after arresting a senior leader of the Valley-based insurgent group Pambei-led United National Liberation Front (UNLF-P).

The crackdown revealed a broader operation allegedly smuggling weapons from Myanmar into India through forged documents and registered gun houses.

The case surfaced in late June when Manipur Police apprehended four individuals, including Sinam Somendro Meitei, also known as 'Richard', a self-proclaimed Lieutenant Colonel and Project Secretary of the proscribed UNLF-P.

Police officials believe Richard's arrest exposes contradictions in the group's commitment to the peace process.

Although...