treat this with great caution. one top scientist _ treat this with great caution. one top scientist today saying it is bad news but not doomsday, so what would your message be to those watching this afternoon?— this afternoon? exactly, it is early da s with this afternoon? exactly, it is early days with some — this afternoon? exactly, it is early days with some red _ this afternoon? exactly, it is early days with some red flags - this afternoon? exactly, it is early days with some red flags but i this afternoon? exactly, it is early| days with some red flags but there are still a lot of gaps in their understanding but it is reasonable to be cautious at this stage and be very active about gathering all the data so we can really understand whether this transmits well and also what level of disease severity it is associated with.— associated with. many thanks for “oininu us associated with. many thanks for joining us here — associated with. many thanks for joining us here on _ associated with. many thanks for joining us here on bbc— associated with. many thanks for joining us here on bbc news. i a 12—year—old girl has died after suffering catastrophic injuries during an argument in liverpool city centre. ava white was with friends when she was assaulted yesterday evening. four teenage boys, aged between 13 and 15, have been arrested on suspicion of her murder. our correspondent danny savage gave us the latest from liverpool city centre.