Security has been stepped up at major airports across China in response to the recent Brussels attacks that resulted in the death of about 31 people including a Chinese national.

The Chinese Embassy in Belgium confirmed that a Chinese man surnamed Deng was among the 31 people killed in the series of attacks that rocked Brussels this past week.

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Deng, who went missing on Tuesday, was confirmed dead by the Belgian authorities on Thursday.

"We express deep condolences over the death of our Chinese compatriot and strong condemnation on the criminal act of the terrorists," the Chinese embassy said on its website.

Meanwhile, Beijing has beefed up security at major airports such as Beijing, Shanghai, and Chengdu following the terror attack in Brussels.

Surveillance is reportedly heavy and widespread in Beijing, which has long implemented mandatory bag screenings and ID checks of passengers in train stations.

Strict surveillance

The same strict surveillance is being applied to airport terminals - aside from the usual security measures airport officials undertake in the course of their inspection.

On Friday, security personnel at airports in Beijing, Shanghai, and Chengdu are reported to have swabbed some passengers' bags outside terminals.

Beijing's new security measures at the airport were intended "to inspect every passenger entering the airport," according to China's Civil Aviation Administration.

The aviation agency said it adopted the new measures because of the terrorist incidents in Brussels.

At Beijing Capital Airport, three officers were on standby at the terminal entrance testing bags under signs that said 'security inspection for anti-explosive.'

The Islamic State has claimed responsibility for the Brussels attacks, raising security concerns among European countries and other nations worldwide.

China has been battling its local terrorists in recent years among minority Muslim extremists mainly in Xinjiang.

TagsBrussels terror attacks, Beijing Capital Airport, airport terminal, Chinese national, surveillance, airport terminals, Belgian Ministry, Hongqiao airport, Chengdu airport