Planned strikes by rail and postal workers have been called off as a result of the Queen’s death.
Members of the Rail, Maritime and Transport (RMT) union were due to walk out on September 15 and 17 in a long-running dispute over pay, jobs and conditions.
“The planned railway strike action on September 15 and 17 is suspended.
“We express our deepest condolences to her family, friends and the country.”
The Transport Salaried Staffs Association (TSSA) also called off planned strikes.
A statement said: “Upon the news that Her Majesty Queen Elizabeth has died, TSSA union expresses deepest condolences to her family, friends, the country and those affected by her passing.
“TSSA is cancelling planned industrial action for September and will be respecting the period of public mourning.
“The union pays respect to Britain’s longest-serving monarch.”
Members of the Communication Workers Union were due to continue a 48-hour walkout on Friday in a dispute over pay and conditions.
General secretary Dave Ward said: “Following the very sad news of the passing of the Queen and out of respect for her service to the country and her family, the union has decided to call off tomorrow’s planned strike action.”
The train drivers union Aslef has also suspended a planned strike.
A Network Rail spokesman said: “We welcome the unions’ decision to call off next week’s strikes and we join them and the rest of the railway family in sending our condolences to the royal family.”