What is "red flags"

Usage examples of "red flags".

The hospital car was a sleeping car requisitioned from the New York Central and still possessed its peacetime cuspidors, fringed curtains, and engraved lamp shades, though now the luxurious bunks were attended by four nurses and two army doctors, who were protected by a pair of faded red flags that hung at either end of the car's roof to proclaim that the vehicle was a hospital.

Immediately in response, red flags were waved at intervals along the cliff.

Then on both sides of the foremost of the two supporting dragons, the red flags went out, and then were swapped for the green.

If you'd been flying red flags you couldn't have indicated more clearly that something was weighing heavily on your minds.

We got him a chauffeur's uniform, borrowed a car from the embassy motor pool, and stuck a pair of Red flags on the fenders.

From his high vantage point, Wadon could see signalmen on the prows of those approaching craft, waving large red flags.

Palestinians and those of Arab origin were prime suspects, of course, and all sorts of organizations in Washington and Detroit were crying foul and raising red flags about the prospect of mass numbers of civil liberties violations.

The two closest ships were flying red flags, so the orders had been to stay out of the flagged area.

But now their May Day parades were bold with red flags and inflammatory speeches.

Squads searched for signs of traps, but Adrogans didnt see anyone deploying the red flags that would indicate danger.

Evans could see nothing differentit just looked like more ice field, glistening in the sunbut here there were red flags on both sides of the route.