He stumbled through thick brown reeds, sinking ankle-deep in cold mud. He found a clear patch in the algae-scummed water and bathed his head with his cupped hands. Blood cascaded from his hair. He had a large, gashed bruise above his right ear, which announced itself with a searing pang and a series of sickening throbs. He risked a few mouthfuls of the river water, crouching there doubled over, until the shock passed. Then he stood up.