Chauvin trial told ‘a healthy person would have died’ under same circumstances as George Floyd – as it happened

• A healthy person subjected to that ... would have died'
• Pulmonology expert says low oxygen levels caused damage to brain
• Murder trial enters ninth day of testimony in Minneapolis
• The protesters who gather every day to demand justice

11.20pm BST

The ninth day of testimony in Derek Chauvin's murder trial has come to a close.

Today's proceedings marked a new phase of the prosecution's case. Witness testimony focused on Floyd's cause of death, whereas the focus of prior testimony was largely Chauvin's use of force.

10.54pm BST

Nelson is cross-examining Spock.

He's asking about the pills found in the police car and, through his questions, is once again pushing the idea that fentanyl depressed Floyd's breathing.