He was on his knees when several men, throwing themselves at him, landed on top of him.

Their combined weight crushed him to the floor, but he squirmed out of the mass and got to his feet, striking at the faces he saw around him, worrying the men hither and yon, dragging them with him as he reeled under savage blows that were rained on him.
He had torn himself almost free; one man still clung to him, and he was trying to shake the fellow off, that he might hit him effectively, when a great weight seemed to fall on his head, blackness surrounded him, and he pitched face down on the floor..