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