This powerful new video - see below - from the Metropolitan Police force is part of their campaign to reduce domestic violence in the capital.
According to the Met, nearly one in five murders in London are the result of these crimes.
In the past many people had a 'turn a blind eye' approach to the problem. However, in recent years, thanks to the support of the police, victim support groups and other experts in the field, members of the public are more likely to report suspected instances of physical abuse in the home.
As with other crimes, people are often reluctant to 'get involved' or 'grass', but here at LondonNet we think that there are no excuses when it comes to these sickening offences.
If Prime Minister David Cameron's barmy Big Society idea is to come to anything, surely here's a good first step.