Circuit breaker: What is a circuit-breaker lockdown?
The First Minister of Wales has announced a fire-break lockdown, also known as a circuit breaker.
The national lockdown, also known as a circuit breaker, will start at 6pm on 23 October.
But what exactly is a circuit breaker in Covid terms?
Northern Ireland, Singapore and Israel have all used circuit breakers to try to reduce their coronavirus cases.
But how do they work? How long is a covid circuit breaker? How can it help fight coronavirus?
BBC health correspondent Laura Foster explains it all in a minute.
Video by Laura Foster, Terry Saunders and Mattea Bubalo