The new variant of coronavirus is spreading more rapidly than the original version, but it is not believed to be more deadly.
Along with the UK, the same mutation of the Covid-19 virus has also been detected in the Netherlands, Denmark and Australia, BBC reported this with the refernece to WHO.
According to the agency, there is no evidence to suggest the new variant reacts differently to vaccines.
In the UK, large parts of south-east England, including London, are now under a new, stricter level of restrictions in a bid to curb the rapidly spreading virus.
Earlier, over 20 countries suspended flights to the United Kingdom over the new Covid-19 strain and EU is to convene an emergency meeting.