Delhi and a few other Indian cities have already been under lockdown for two days but now the rest of the country has joined them. About 1.3 billion people have been ordered to stay home.
At a glance
* India's 1.3 billion people went into lockdown at midnight
* PM Narendra Modi announced a "total ban" on leaving homes, but some shops are staying open
* About 170,000 people volunteer in the UK to help the NHS cope with vulnerable people
* US lawmakers have agreed a $2 trillion stimulus package
* New York's governor says virus is racing "like a bullet train" through state
* Global cases exceed 400,000 with deaths approaching 20,000