Paul Nuttall speaking at UKIP campaign launch

The UKIP leader introduces the party's general election campaign, expressing surprise at the election call, which is seen as a strategic move by the Conservative Party. The Prime Minister's unexpected decision to hold an election is criticized as opportunistic. UKIP positions the election as a Brexit-focused event, warning that a large Conservative majority could jeopardize Brexit. Concerns are raised about the Prime Minister's commitment to Brexit and immigration policies, suggesting potential backsliding on promises.

In what way does the speaker describe the upcoming election?

What concerns does the speaker express regarding the Prime Minister's stance on immigration?