Police in China have detained six executives of a meat supply company at the center of the latest food safety scare to hit the country, state media reported on Sunday.

Shanghai's chief of police and deputy mayor, Bai Shaokang, told local radio that the executives of Shanghai Husi Food, a unit of U.S.-based OSI Group LLC, had been taken into custody, Xinhua news agency said.

The firm had supplied meat to foreign fast food chains McDonald's and KFC-parent Yum Brands Inc, among many others.