China’s foreign ministry spokesperson said she “has not heard” about the detention of a third Canadian in China, hours after the reports emerged in Western media.

Spokesperson Hua Chunying made the comment during a regular press conference on Wednesday, according to Huanqiu.com, the Chinese-language site of party newspaper Global Times.

Canada’s National Post previously reported that the Canadian government has confirmed the detention of another of its citizens.

The two previous arrests of Canadians were of ex-diplomat and International Crisis Group advisor Michael Kovrig and businessman Michael Spavor. Kovrig and Spavor are both being investigated for “jeopardizing national security,” according to Chinese media.