One Liz ends a lifetime of diplomacy as another risks squandering it all | Simon Tisdall

The Queen knew how to earn trust and respect around the world. Liz Truss should follow her example

• Accession of King Charles and death of Queen Elizabeth - latest updates

What will other leaders and nations make of Liz Truss in Britain's unprecedented hour of trial? This untested prime minister must now try to lead the country through a crisis of unity and confidence that may be triggered by the death of her infinitely better-known namesake, Elizabeth II.

The global spotlight will illuminate the United Kingdom in coming days in ways that would make a more experienced leader quake. In Truss's words, the Queen was the rock on which modern Britain was built". Yet Truss came to power last week vowing to replace that model with one of her own.