1. Boy, 10, kept his sisters warm for four hours after a car crash killed his mum.

A 10-year-old boy showed immense bravery in keeping his sisters warm and alive for four hours after a car crash killed his mother and rendered his father unconscious.
It was around 2am on February 1, 2018, when a Toyota Tundra carrying the family-of-five home from vacation hit a post on the side of the freeway in Wyoming in the US, the Casper Star Tribune reports.
Father-of-three Samuel Smith, 31, tried to steer the truck back onto the road after the collision but it was too late. The vehicle hit a bridge guardrail and flipped over the edge of the overpass, landing top-down on the service road below.