PM Boris Johnson answers question from media about Dominic Cummings who allegedly breached lockdown rules

The transcript features a discussion with the Prime Minister about Dominic Cummings' controversial trip during lockdown, questioning the plausibility of his explanation related to testing his eyesight. The Prime Minister addresses public and political opinions, discusses his own eyesight issues potentially linked to coronavirus, and emphasizes the importance of sticking to facts amidst media reports.

How did the speaker respond to the claims made by the Guardian regarding police speaking to Cummings?

What did the speaker say about the importance of sticking to the facts?