The central government said on Tuesday that 20 more cases of mutant strain of coronavirus reported from UK have been detected in India, taking the total such cases in the country to 58.

"All these persons have been kept in single-room isolation in designated healthcare facilities by the respective state governments. Their close contacts have also been put in quarantine. Comprehensive contact tracing has been initiated for co-travellers, family contacts and others. Genome sequencing on other specimens is going on," the Health Ministry said.