Fallout continues over Downing Street Garden Parties during UK’s first lockdown as more details and more parties

The transcript discusses the political turmoil surrounding Boris Johnson, with calls for his resignation due to actions during the pandemic. Cabinet members defend him while awaiting the results of an inquiry by Sue Gray. There is visible frustration within the Tory party, and public opinion is divided. The situation is critical, with potential outcomes including a vote of no confidence, leaving Johnson in survival mode.

What are the implications of the letters calling for a vote of no confidence in Boris Johnson?

In what way is Boris Johnson described as being in 'survival mode'?