INTRO: Britain's Queen Elizabeth II (on Wednesday) becomes the country's longest reigning monarch.
She surpasses Queen Victoria's record of 63 years and 217 days and the 89-year-old will mark the day by opening a new railway line in Scotland.
UK correspondent Olly Barratt reports.
IN: Crowned…
OUT: SOC
DUR: 50 seconds
POT: 38 seconds