Possible Clues:

• Halt progress after amber changes
• Ban involving English doctor on Greek ship
• Tactic used against Britain by Napoleon
• Impose ban on Robert Mugabe, actively ostracising capricious brute
• Stop for love and hold me heavenwards!
• This will forbid them to get to 5 down and then leave
• Half of them exclude travel ban
• This will prevent them to leave for the pub
• Measure lawyers proceed to ban
• Forbid them to go after the pub