Derek Chauvin trial: police expert witness says ‘excessive force’ used on George Floyd – as it happened

• Day seven of murder trial over George Floyd's death underway
• Medical trainer: Just because they're speaking doesn't mean they're breathing'
• Police lieutenant: restraint permitted if suspect is actively aggressive
• Police chief: use of force on George Floyd was in no way' policy
• Doctor says asphyxia was likely cause of death

9.50pm BST

Judge Peter Cahill, presiding over the trial of white former Minneapolis police officer Derek Chauvin who is charged with murdering George Floyd, a 46-year-old Black man last May, just wrapped proceedings for the day.

9.28pm BST

Prosecutor Steve Schleicher just played a disturbing clip of police body camera footage.

George Floyd has resisted being forced into a police car by two officers, shouting out that he's can't breathe, and seeming to be panicky.