A second face has been added beside that of Mulan star Liu Yifei's in the growing #BoycottMulan movement: that of Liu's co-star, Donnie Yen, who is set to appear as Commander Tung in Disney's upcoming live-action remake.Controversy surrounding the Chinese-born actor and martial artist stems from a recent post on Yen's Facebook page, celebrating July 1, Hong Kong's handover day. The actor wrote, "Today is the celebration day for Hong Kong returned to motherland China 23 years [sic]." He then recalled performing for Chairman Xi Jinping of the Chinese Communist Party in 2017, calling it a "memorable night."RELATED: Mulan: South Korean Boycott Launched in Support of Hong Kong Protests

Hong Kong observes the city's Establishment Day, marking the anniversary of the July 1 handover, when sovereignty over the region was transferred from the United Kingdom to the People's Republic of China, as agreed in the Sino-British Joint Declaration.

Yen's post and seemingly positive stance toward Xi Jinping has caused outrage in and around Hong Kong, where a national security law has been imposed by China, restricting the people's democratic rights -- which were promised to them in the Joint Declaration -- and conflicting with the special administrative region's own mini-constitution, the Basic Law. This follows more than a year of large-scale pro-democracy protests.

The #BoycottMulan movement began in Hong Kong after it was revealed that star Liu Yifei had expressed support for the Hong Kong Police Force and the often-brutal tactics it had employed on both peaceful protesters, journalists, medics and innocent bystanders. The movement has continued to grow around South East Asia in countries including South Korea and Thailand.

Directed by Niki Caro, Disney's Mulan stars Yifei Liu as Mulan, Donnie Yen as Commander Tung, Jason Scott Lee as Böri Khan and Yoson An as Cheng Honghui, with Gong Li as Xianniang and Jet Li as the Emperor. The film is currently scheduled to arrive in theaters August 21.

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