Possible Clues:

• One fleeing captivity
• Number holding one aboard tug at sea, one on the run?
• Not enough air with it, I have, while on the run
• The . . . . . . . .'s name is Dr Richard Kimble
• A runaway success for Galsworthy, or . . .
• Escapee, e.g
• One is fleeing from the law
• Sawn-off gun raised: it is held by prime suspect on run
• Fleeing university, heading for great time? That will enthral one in five
• He's on the run, perhaps from justice