Newcastle pays tribute to NHS staff who have lost their lives

The speaker, a representative from Newcastle Hospitals Trust and Unison, discusses the purpose of gathering to honor key workers who have lost their lives globally. The event is part of International Workers Memorial Day, emphasizing the importance of remembering the deceased while continuing to advocate for the living.

In what context is the term 'key workers' used in the text?

What global event is referenced in relation to the commemoration?