He heard bullets whacking over his head, felt a splash of molten metal sting his ear, and perceived without looking that the whole opposite facade, an unmasked ambuscade of red police, was crowded and bawling and firing at him.
Down went one of his guards before him, and Graham, unable to stop, leapt the writhing body.
In another second he had plunged, unhurt, into a black passage, and incontinently someone, coming, it may be, in a transverse direction, blundered violently into him.

He was hurling down a staircase in absolute darkness.

He reeled, and was struck again, and came against a wall with his hands.

He was crushed by a weight of struggling bodies, whirled round, and thrust to the right.

A vast pressure pinned him.