https://www.bloomberg.com/news/articles/2019-09-03/u-k-parliament-takes-key-first-step-to-blocking-no-deal-brexit-k04c1cn3
In all, 21 Conservatives defied Johnson and voted against him, effectively sacrificing their careers in politics as his officials immediately began expelling the rebels from the party for failing to obey the premier’s orders. Rebels punished in this way included former Chancellor Philip Hammond.