The Beijing university is sending a special work team to the US to investigate. 

Shocked and saddened by the sudden death of Professor Liu Qiang in the US, the university has set up a special work team and send condolences to Liu's family members, the university statement said. 

The university is working closely with the Chinese Consulate General in Chicago to further the investigation, while urging the US authorities to release results of Liu's death as soon as possible.

Liu, who worked in the Webster University since January 2019 as a representative of the Confucius Institute under the Beijing Language and Culture University, was reported to have died after police searched his home on Tuesday local time, the St. Louis Post Dispatch reported on Friday. 

The police and FBI searched Liu's apartment on Tuesday evening as part of a child pornography investigation, local county police confirmed to the media via email. 

Webster University issued a statement on Saturday after police informed the school of Liu's death. It denied any connection between the incident or the investigations and the university, but will conduct its own investigation to determine potential evidence of harm. 

The sudden death of Liu has triggered backlashes on China's social media platforms. With only vague information released by police about the case, the Chinese public is demanding to know the cause of Liu's death, and whether there is proof of the child pornography investigation. Some netizen are asking if Liu was a victim of US' political prosecution. 

"Even if the police have found conclusive evidence, they should proceed with a fair trial by the law, rather than announcing Liu's death with no explanations," one netizen wrote. 

"I request the US police disclose more details of the case. If there is any police violence or abuse of power during the investigation, they must be brought to justice," the comment read. 

The Confucius Institute, established around the world to enhance cultural and person-to-person exchanges between China and other countries and regions, has hit a bumpy road in recent years, with many people saying is the result of by mounting US hostility toward China. 

In early September, US Secretary of State Mike Pompeo said that he was hopeful dozens of Confucius Institutes on the US campuses would be shut by the year end, accusing them of being "a propaganda arm of the Chinese Communist Party" on Twitter. 

Pompeo has labeled the Confucius Institute as a "foreign mission," a typical move of the Trump administration to ramp up its efforts to accelerate the decoupling from China.