U.K. Election Looms as Johnson Raises Stakes of Brexit Fight

The transcript discusses the potential for a general election on October 14th if MPs opposed to a no-deal Brexit defeat Boris Johnson's government. The bill in question mandates the government to seek an extension if no deal is reached by October 31st. Boris Johnson opposes this, threatening an election if the bill passes. The political situation is tense, with a slim majority and threats to deselect rebel MPs. The outcome is uncertain, but an election seems likely.

What is the significance of the 'Rebel alliance' mentioned in the text?

How does the text describe the current political situation regarding Boris Johnson's majority?