He raised his pistol.
His hand was caught in a mighty grip; Rador, eyes blazing, stood beside him.
"No!" rasped the green dwarf.

He heaved a shoulder against one of the boulders that formed the pocket.

It rocked aside, revealing a slit.
"In!" ordered he, straining against the weight of the stone.

O'Keefe slipped through.

Olaf at his back, I following.