Roger Gale from the Post Office said the Communication Workers Union were making "unrealistic" pay demands considering the fact that the company is losing £37 million a year.
The union was asking for a pay increase of three and a half percent last year, and three and a quarter percent this year, which Mr Gale said was "unaffordable."
More top news
Three children were among six hurt when the ceiling of a banqueting venue collapsed during a school prom.
Bollywood superstar Akshay Kumar hopes his new film will help keep women safe and free from the indignity of defecating outdoors.
The school holidays and people heading off on their summer breaks have boosted the total to a record 8,800 flights in 24 hours.