Possible Clues:

• Frightful flight
• Flight impressed Ecuador's leader
• Panicked rush (of cattle)
• Start to put your foot down and quickly get away with it
• Sudden rush of frightened animals
• Start to put one's foot down in a runaway way
• Unexpected stock issue?
• Wild onrush
• Flight impressed Estonia's leader
• Start ot put on the letter and run away with it