UK: Postal workers threaten to strike after Royal Mail tried to make them work on Sundays
"The 500-year-old company wants to ramp up weekend deliveries to compete with rivals such as Amazon and DPD. But it now faces a backlash from bosses at the Communication Workers Union (CWU), who filed an emergency motion at their annual conference last week warning that unless pay demands are met there could be a walkout of more than 115,000 staff as early as next month."