He's on point duty up and down there for the last ten minutes.
There was a policeman on point duty at the other side of the square.
Do you mean she's on speaking terms with the policeman on point duty at Piccadilly Circus?
A policeman on point duty eyed him curiously, yet with no hint of suspicion.
The traffic had never appeared so congested, the efforts of the agents on point duty so hopelessly futile.
It was an easy matter to find the constable who had been on point duty at the crossing when the “accident” happened.
Why, even the policeman who stood at point duty outside must have known all about it!
When we came into Jamaica Square, there was a young copper on point duty at the corner.
It mounted guard like a policeman on point duty, and when we appeared it seemed to shriek, "Now I've got you!"