Itanagar, July 15: Congress MLA L Wanglat, who was expelled from the party, will now be treated as an 'unattached member' in the house with immediate effect, an assembly release said here today. Wanglat was expelled from congress for six years by Arunachal Pradesh Congress Committee (APCC) president Mukut Mithi, who is also the Chief Minister on June 18 last for his alleged anti-party activities. Bureau Report