UK: Prime Minister Boris Johnson hosts coronavirus press conference inside 10 Downing Street.

The video discusses the delay of step four openings until July 29th to support the NHS, with exceptions for weddings and pilot events like Euro 2020. The situation will be monitored daily, and if risks decrease, an earlier opening may be possible. Current evidence is reviewed to make informed decisions.

What will happen if the risk has diminished after two weeks?

What is the current stance of the speaker regarding the evidence they see?