Brave 4-year-old uses unconscious mom fingerprint to wake her phone, call emergency and save her life

What do you do if you are four years old and you find mummy lying unconscious on the floor at home?

If you are brave 4-year-old Roman from London, you waste no time: the little kid found his mom unconscious, but did not panic. Instead, he was clever enough to use mom's finger to unlock her phone, then immediately called emergency using Apple's Siri voice assistant in a serious of actions that saved the life of the mother of the little boy.

Roman lives in the south London district of Kenley and he dialed 999 (the British equivalent ...