The Prime Minister will hold a press conference alongside England’s chief medical officer Professor Chris Whitty and chief scientific adviser Sir Patrick Vallance.
Number 10 has confirmed the speech from inside Downing Street will take place at 4pm.
This afternoon, the Prime Minister is chairing an emergency cabinet meeting following widespread reports a second lockdown could be confirmed within days.
It is thought a return to draconian restrictions, with all non-essential shops closing, could be enforced as early as next week.
The measures could last for a whole month – with nurseries, schools and universities remaining open.
This is a developing news story, more follow.
