Related Clues:

• Become wider
• Suddenly intensify, with "up"
• Burst of light
• Roadside alert
• Pants fold
• Distress signal shot into the air
• Bell-bottoms feature
• Pressing concern
• Sign of danger
• Photo flaw
• Pressed-pants feature
• Rink area
• ''Breakdown ahead'' warning
• ''Accident ahead'' indicator
• S O S signal