In the latest clip ahead of the billed 'tell-all' interview with US chatshow host Oprah Winfrey, Meghan recalls how she turned down an interview with her in February or March 2018, before the royal wedding.
Police confirmed that "a number of casualties are involved" and ambulances are at the scene.
The union, which represents 450,000 health care professionals, said an "emergency meeting" was held in the wake of the pay rise proposal.
Boris Johnson's four-step plan out of lockdown begins on Monday with a return to school for England's pupils.