at six: people in northern ireland are told to work from home again in a bid to curb the spread of coronavirus. with christmas fast approaching, leaders at stormont say act now or risk much tighter measures. it is about acting now to keep our families safe, it is about acting now to protect our health service and prevent our hospitals from collapsing. in scotland and england people are now being urged to do a lateral flow test before every social occasion or visit to an enclosed, crowded place. as covid cases continue to rise sharply on the continent, we'll be looking at the situation in the uk. also tonight: a murder investigation in somerset after a couple are found dead in their home — their two young children were asleep upstairs.