In November 2019, a Chinese user alleged that his Redmi Note 7 Pro exhibited spontaneous combustion following normal function. Now, an Indian owner has claimed that his phone did much the same, in an abrupt and alarming fashion. Xiaomi asserts that this incident is attributed to pre-existing battery damage to the device.
https://www.notebookcheck.net/Redmi-Self-Destruct-yet-another-Note-7-Pro-unit-reportedly-blows-up.457665.0.html