"In addition to spreading more quickly, it also now appears that there is some evidence that the new variant - the variant that was first identified in London and the south east - may be associated with a higher degree of mortality. It's largely the impact of this new variant that means the NHS is under such intense pressure," Boris Johnson was quoted as saying by BBC at a press briefing.
The Indian Government has said that genome sequencing on other specimens is going on.
The situation is under careful watch and regular advice is being provided to the states for enhanced surveillance, containment, testing and dispatch of samples to INSACOG (Indian SARS-CoV-2 Genomics Consortium) labs.
The presence of the new UK variant has already been reported by several countries, including Denmark, the Netherlands, Australia, Italy, Sweden, France, Spain, Switzerland, Germany, Canada, Japan, Lebanon and Singapore.