Live breaking news: Biden to commit to cut US greenhouse emissions in half; US police officer found guilty of killing George Floyd; Vaccinated man in Brisbane hospital over blood clot concerns; Infected NZ airport worker visited Bunnings and Westfield - 9

Live breaking news: Biden to commit to cut US greenhouse emissions in half; US police officer found guilty of killing George Floyd; Vaccinated man in Brisbane hospital over blood clot concerns; Infected NZ airport worker visited Bunnings and Westfield  9News