“‘Never be afraid to do what you’re supposed to do. I wasn’t going to go home and think about her dying without me doing anything.'”

When ordinary citizens take steps to warn others of potential danger, there’s no telling what tragedies are averted, how many lives are saved.

'I feel in the future you’ll randomly meet in some way again. Maybe a lift to maternity in a year or so?!' one user commented.

“What really caught my attention was hearing a child’s voice, there was a child in the backseat that was yelling.”

'He was crying and had no clothes on and I could see the pain in his eyes - I had to do something,' Jimmy Amisial said.

A parent's worst nightmare came true when two young children on their bikes were approached by an adult male.

The good Samaritan spotted the fire from a mile away in the middle of the night and drove to the house to warn the family.

The couple were out on a pier when a misstep sent Ezrick Marines and his guide dog Brutus tumbling into the harbor below.