EXCLUSIVE Rebecca Maddern, Karina Cavalho: Tensions over a top newsreading job burst into the open at Channel Seven Melbourne READ MORE: Karina Carvalho: Another ABC star walks out on the public broadcaster after 17 years with insiders lifting the lid on why she was fed up By Lucy Manly For Daily Mail Australia Published: 19:18 EDT, 11 August 2024 | Updated: 19:22 EDT, 11 August 2024 e-mail View comments The arrival of a former ABC TV presenter at Channel Seven 's Melbourne offices has put noses out of joint - chief among them respected news and sport presenter Rebecca Maddern's. Seven sources told Daily Mail Australia that the longtime anchor, 47, has been left nervous about her role at the network following the recent hiring of Carvalho, 43, and a cull of dozens of network staff across the country. Cavalho this weekend covered Maddern's usual evening news anchoring role alongside Mike Amor after she flew overseas for a family wedding.

Maddern is expected to be off-air until September. Meanwhile, before her leave, insiders said Maddern was furious to arrive at the network's Docklands studios only to discover that Cavalho had already done pre-recordings she had been expecting to complete. 'Some staff think Karina was hired to replace Bec,' one insider told Daily Mail Australia, noting that Maddern had been 'very vocal' about defending her patch on the newsroom floor lately.

But senior Seven insiders pushed back - arguing that Maddern was too valuable to the network's news and.