the us have questioned kazakhstan's decision to seek russian military support to deal with a wave of violent unrest. russia says its deployment of troops is temporary. dozens of people have been killed during nationwide protests triggered by a rise in fuel prices. in the us, three white men who were convicted of chasing and then murdering ahmaud arbery, a black man, in the state of georgia have been sentenced to life in prison. the case became a focus of protests by the black lives matter movement. one of the best known black hollywood actors of the past century, sidney poitier, has died. he was 94. mr poitier was the first black man to be awarded best actor at the academy awards in 1964 and paved the way for a new generation of stars.