Related Clues:

• Amber changing before green light in stoppage of traffic
• Trade ban: almost board ship and depart
• Ordered to introduce security, to prevent access
• Ban doctor interrupting organ work?
• Obstruct knife, catching clasp -- one line is cut
• Closure of a port to prevent entry or exit
• Nothing appropriate? I'm upset with ban
• Business expert, trapped by scary person, lifted barrier
• Legal stoppage of commerce
• Commerce stoppage
• Sanctions option
• Ban thus restricts business expert
• Government-decreed ban on trade
• Ban accordingly restricting business degree
• Official trade ban