"Wonder if Moscow will even tell those people that a lethal cloud of radioactivity is coming their way?"

But the evidence is now overwhelming that smokers endanger all those forced to inhale the lethal clouds they generate.

Or if the ship they saw emerging from the lethal cloud was some new and previously unidentified alien vessel of mysterious technology, that would have been fascinating but explicable.

In the valley below, lethal clouds of black vapor drifted, slaying all in their breath.

We shall fly through lethal clouds of asteroids and debris.

Lucifer blames Armadale's death on Bill Henrie, a man with evidence that a lethal radioactive cloud is approaching Coalville, to prevent the information becoming publicly known.

The lake would periodically release the gas it contained, creating a lethal cloud which would asphyxiate any animal in its path.

The lethal cloud scorched the eyes and lungs of the terrified French and Algerian soldiers, who vomited and collapsed in agony.

The bomb would, by now, be spreading its lethal cloud across the city.

Other shots went home higher up the galley's side, smashing down entire sections of her stout bulwarks, sending yet more lethal clouds of splinters howling across her upper deck.