Imphal, July 22 -- Intelligence-based combing and cordon-and-search operations, conducted extensively by a joint team of state and central forces, led to the arrest of four individuals associated with an underground outfit primarily operating in the Manipur valley.

On Tuesday, the police reported that the arrested individuals, aged between 21 and 41 years, had carried out extortion and other criminal activities across the state over the past few months.

The security team apprehended four active cadres of the proscribed United People's Party of Kangleipak (UPPK) from the Koirengei Chingol Leikai area under Heingang Police Station in Imphal East district.

Police identified the arrested individuals as Nishan Ngangbam @ Tamngakpa, a 24-yea...