Royal Mail workers have overwhelmingly voted to renew their strike action mandate - setting the stage for the possibility of six more months of disruption.
The Communication Workers Union (CWU) announced that members had voted by 95.9% on a 77.3% turnout to take further strike action.
General Secretary Dave Ward said: “After two national ballots, 18 days of action, constant management intimidation and scores of unjust disciplinary cases against their colleagues, postal workers have shown their dignity and determination once again.