I wonder why this happen over and over again in Thailand? They are charging the phones and then falling to sleep while still charging? And then maybe they roll over the phone while sleeping?
And then the short circuit occurs when "breaking" the USB? But there is no high voltage on that end of the USB I think. Or is it? But they say it is not the voltage that kills but the Ampere?
Maybe someone with electricity knowledge can lighten up the issue?