A horrified McDonald's customer has lashed out at the fast food giant after biting into a quarter-pounder - only to discover the meat inside had not been properly cooked.
Pictures of the raw burger were shared on social media complete with a warning to others.
The punter commented: "Check your burgers before you eat if you're buying from Woodbine Maccas (in Sydney) tonight.
"Just got home and bit into this."
The disturbing pictured prompted a strong reaction from others replying to the post.
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One commented: "This is just disgusting.
Another added: "Hope you complain and get your money back."
A third declared: "I would have rung them straight away or gone back to the store."
One person even claimed the fast-food giant risked the health of pregnant customers.
A McDonald's spokesman told news.com.au the restaurant took food safety and quality "very seriously".
They added: "We follow strict processes and procedures to ensure the quality of our food.
"We are working with the restaurant to investigate this further."
McDonald's has also been contacted by Express.co.uk for comment.