South Wales Fire Service are tackling a blaze at GLJ Recycling on the Newtown Industrial Estate, in Cross Keys, Caerphilly.
A spokesperson from the fire service said 700 tonnes of scrap metal and tyres are well alight.
4 pumps and a water bowser are in attendance at the scene.
More top news
More than 3,000 fewer people died from the effects of stroke between 2010 and 2012 compared to a decade earlier, according to a new report.
It's a cold start, with mist lifting later. Here's the latest weather forecast for Wales.
The White Ribbon Campaign, founded by men, is a global movement working to end violence towards women.