In her book, Charles alleges that she found a handwritten letter sent to the immigration department shortly after her six-month probation period on Neighbours ended in 1996, just as her contract was about to be extended.
A day later, former Neighbours actor Meyne Wyatt said he too had experienced racism on set in a tweet.
"Neighbours strives to be a platform for diversity and inclusion on-screen and off-screen," a spokesperson for Fremantle Media told the BBC.
China official says local vaccine efficacy is low.
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China official says local vaccine efficacy is low8