China on Wednesday hit back over a U.S. bill to toughen Washington’s response to human rights violations against ethnic Uighur Muslims in Xinjiang, an autonomous territory in northwest China.

Chinese Foreign Ministry spokesperson Hua Chunying expressed China’s strong opposition to the passage of a bill on Xinjiang-related issues by the U.S. House of Representatives, the state-run Xinhua News Agency reported

The U.S.’ Uyghur Human Rights Policy Act of 2019 deliberately smears the human rights condition in Xinjiang, slanders China’s efforts in de-radicalization and counter-terrorism, and viciously attacks the Chinese government’s Xinjiang policy, said Hua.

Read more: China blasts US over bill to protect Uighur rights