London’s Metropolitan Police has issued advice to women approached by lone police officers in the wake of Sarah Everard’s murder, including telling them to run “into a house,” “wave down a bus” or call the police on 999 if they do not believe the officer is “who they say they are” after questioning them.London’s Metropolitan Police has issued advice to women approached by lone police officers in the wake of Sarah Everard’s murder, including telling them to run “into a house,” “wave down a bus” or call the police on 999 if they do not believe the officer is “who they say they are” after questioning them.