China has expressed concerns over the possibility of Republican frontrunner Donald Trump becoming the next president of the United States. The Chinese state media responded with shock,  following the clashes between Trump’s supporters and anti-Trump protesters on Friday, at the fact that he could even make it this far in the polls.

The Global Times, China’s state-owned newspaper, published an editorial on Monday in which it made scathing criticisms of Trump’s rise, saying the Republican race has “opened a Pandora’s box in the US society,” referring to the differences within the Republican party and the clashes at Trump’s rally.

The newspaper has also dubbed Trump as “big-mouthed, anti-traditional [and] abusively forthright,” and that his attitude defied the conventional political behavior in the United States, the Huffington Post reported. The People’s Daily, another state-owned newspaper, published similar editorials denouncing the rise of Trump.

“Instead of pointing fingers at other countries for their so-called nationalism and tyranny, the US had better watch itself from becoming a source of destructive forces against world peace,” the editorial said. “His job was basically to act as a clown to attract more voters’ attention to the GOP. However, knocking down most other promising candidates, the clown is now the biggest dark horse.”

It also maintained that the Republicans have compromised on their values by selecting Trump, a move primarily done to stop the splitting of the Republican votes, the Sky News reported.

“Fist fights among voters who have different political orientations is quite common in developing countries during election seasons. Now, a similar show is shockingly staged in the US, which boasts of one of the most developed and mature democratic election systems,” the editorial said.

This is not the first time that the Chinese media have opened criticisms on Trump. After Ben Carson, the former Republican candidate for presidential nomination, endorsed Trump on Friday, the China Youth Daily, the official newspaper of the Communist Youth League of China, published an editorial the following day titled, “Who Can Stop ‘Madman’ Trump’s Leading Pace?”