NZ First Leader Winston Peters clashed with his former political protégé Brendan Horan during their first time in Parliament together since Mr Peters threw Mr Horan out of his party.
Following a meeting last night NZ First's board confirmed Mr Horan's membership of the party had ended.
Mr Horan was expelled from the NZ First caucus a week earlier amid allegations he took money from his dying mother's bank account to gamble.
On his way into Parliament this afternoon Mr Horan said he found out about the board's decision only from the media this morning. He said he had suffered a similar fate to that of former Labour Party MP Chris Carter who was expelled from his party. In that case, unlike NZ First last night, Labour followed "due process" by giving Mr Carter the opportunity to defend himself.
During Mr Peter's questioning of Prime Minister John Key about a deal to allow China Southern Airlines' frequent flyers easier visa requirements when visiting New Zealand, Mr Horan seized an opportunity to ask a supplementary question.