A Hong Kong developer and his mining company have been fined hundreds of thousands of dollars over environmental damage in Cape York.

Magistrate Anthony Gett fined Dianne Mining $250,000 for the damage caused by leaks at a dormant copper mine southwest of Cooktown. He also ordered managing director Peter Zhang to pay $50,000 after a report found the leaks from a catch dam could seriously harm aquatic animals 800 metres downstream. The…