Boris Johnson makes statement on steps of No 10.

Warns now is moment of "maximum risk" in which second peak of virus must be avoided, as he exhorts public to "contain your impatience" with lockdown.

But declares UK is "coming now to the end of the first phase of this conflict"

PM signals there will be a gradual easing of lockdown restrictions.

Says that the next phase of decisions "will be taken with the maximum transparency" & that he will involve opposition.

More to come in days ahead, he says.