Would you challenge a dog owner letting his pet foul in the street? #BBCNolan

Have you ever told a dog walker to pick up after their pooch? If you saw someone let their pet foul the foot path would you step in or would you walk on by? A survey from the Dogs Trust, the UK's largest dog charity has warned that while people in the UK say dog poo is their biggest bugbear in public spaces they are 'too polite' to tackle the problem.