IMPHAL, June 30: A press release issued by the Superintendent of Police, Imphal West has said that a team of the district police commandos has arrested an active member of the UNLF organisation from Keishampat near Yumsha Chicken Centre namely, Mayengbam Premjit Singh (42), son of M. Devendro Singh of Wabagai Thingel Leikai on June 28 around 4:30pm.