Tuesday, the fifth day of a mobilization at Hong Kong airport, protesters and police clashed in the compound of the institution.

China has tightened the tone on Wednesday against pro-democracy demonstrators in Hong Kong in the aftermath of the beating of two Chinese mainland at the airport of the autonomous territory, acts described as "quasi-terrorists" by Beijing .

"We strongly condemn these quasi-terrorist acts," Xu Luying, a spokesman for the Hong Kong and Macao Affairs Bureau of the Chinese government, said in a statement. Tuesday, the fifth day of an unprecedented mobilization at Hong Kong airport, protesters have obstructed the aisles and passages leading to the boarding areas.

More serious crisis since 1997

In the evening, a man, suspected by protesters to be a spy in Beijing's pay, was tied to a baggage cart and hit by a small group. He was later evacuated by ambulance. The Global Times , the official English-language official Chinese-language newspaper, said it was one of his journalists. In another incident, a man who was reported by a group of protesters as an undercover police officer was attacked.

The former British colony is experiencing its worst crisis since its return to Beijing in 1997. Party in early June the rejection of a Hong Kong law that intended to authorize extradition to China, the movement has significantly expanded its claims to denounce a China's freedoms and interference have declined.