Random Acts of Kindness Day: What’s the nicest thing you’ve done for a stranger?

When was the last time you 'paid it forward' by doing a good deed for someone else? Or had the same done in return for you? As 17th February marks Random Acts of Kindness Day, a day to encourage being kind to friends, family and strangers, we're out asking you about the recent good deeds that have cropped up in your life.