As you are walking, you see a man and a woman in front of you engrossed in conversation. Looking at each other, they do not see another man coming towards them. When he is a short distance away, he runs towards them, grabs the woman’s arm, and yells, ‘Leave my girlfriend alone!’ The woman screams, and the man she was with balls his right hand into a fist. At that moment you catch up to them.
You can …
Take out your mobile and call the police