Read it through once

The fellow touched his hat with a grin, expecting something for his pains; but, the old gentleman, eyeing him with an expression of dislike, look anxiously round, as if he contemplated running away himself: which it is very possible he might have attempted to do, and thus have afforded another chase, had not a police officer (who is generally the last person to arrive in such cases) at that moment made his way through the crowd, and seized Oliver by the collar.