Imphal: A hunt by police and para-military forces were on for insurgents who attacked security forces in Manipur in the past week.
The searches were concentrated along the Indo-Myanmar border in Ukhrul district, official sources said today.
The last attack on Monday evening led to a heavy exchange of fire with insurgents who might have crossed the border.
Banned People's Liberation Army, the armed wing of major insurgent organisations Revolutionary People's Front claimed that they attacked three or four posts of Assam Rifles on the international borderline in the past one month or so.
PLA publicity secretary in a statement had said that security posts in border areas would be attacked.
The sources said that police and security posts at border and hill districts were asked to step up patrolling against insurgents.