![Early 1950s, London, England, 'that way sir'...historical picture showing a uniformed British police constable helping a newly arrived overseas male visitor with directions Stock Photo - Alamy Early 1950s, London, England, 'that way sir'...historical picture showing a uniformed British police constable helping a newly arrived overseas male visitor with directions Stock Photo - Alamy](https://c8.alamy.com/comp/KG64YT/early-1950s-london-england-that-way-sirhistorical-picture-showing-KG64YT.jpg)
Early 1950s, London, England, 'that way sir'...historical picture showing a uniformed British police constable helping a newly arrived overseas male visitor with directions Stock Photo - Alamy
![The thin blue line: The history behind the controversial police emblem - The San Diego Union-Tribune The thin blue line: The history behind the controversial police emblem - The San Diego Union-Tribune](https://ca-times.brightspotcdn.com/dims4/default/dbbfc01/2147483647/strip/true/crop/3321x2942+0+0/resize/1200x1063!/quality/80/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fa6%2Fdf%2Fc46e04714a14af99abe3f0edeae5%2F3087037-sd-me-active-shooter-drill-hl-003.jpg)
The thin blue line: The history behind the controversial police emblem - The San Diego Union-Tribune
![1950s, historical, London and a newly arrived immigrant to the UK receives directions from a British policeman in the uniform and helmet of the era Stock Photo - Alamy 1950s, historical, London and a newly arrived immigrant to the UK receives directions from a British policeman in the uniform and helmet of the era Stock Photo - Alamy](https://c8.alamy.com/comp/C21H19/1950s-historical-london-and-a-newly-arrived-immigrant-to-the-uk-receives-C21H19.jpg)
1950s, historical, London and a newly arrived immigrant to the UK receives directions from a British policeman in the uniform and helmet of the era Stock Photo - Alamy
![A colourised photo of Norwell Roberts, London's first black Police Constable on traffic duty, near Charing Cross Station (1968) : r/police A colourised photo of Norwell Roberts, London's first black Police Constable on traffic duty, near Charing Cross Station (1968) : r/police](https://i.redd.it/8e69ghf1in291.jpg)