India's Covid-19 crisis showed scant sign of easing on Tuesday, with a seven-day average of new cases at a record high and international heath authorities warning the country's variant of the virus poses a global concern.

India's daily cases rose by 329,942, while deaths from the disease rose by 3,876, according to the Health Ministry. India's total infections are now at 22.99 million, while total fatalities rose to 249,992.

India leads the world in the daily average number of new deaths reported, accounting for one in every three deaths reported worldwide...