The statement posted on the embassy's website doesn't specify the politicians or exact comments.

The cases of Michael Kovrig and Michael Spavor have been transferred to prosecutors for "review and prosecution in accordance with the law.''

Canadian officials have received confirmation that U.S. President Donald Trump raised the matter, a government source says.

China says Canada should respect its "judicial sovereignty" in the case of two Canadians it detained and later charged with spying.

Relations between China and Canada have been tense since the arrest of Huawei executive Meng Wanzhou last December. 

Of the Canadians detained in China, a White House statement said Trump expressed to Trudeau Washington's "solid commitment to standing by Canada in efforts" to secure their release.

NATO's chief is calling on China to treat two Canadians detained in the country ``fairly and with due process.''

It is the oldest rule in global relations: Don't jail another country's diplomats.

A former Canadian diplomat detained in China last month does not enjoy diplomatic immunity, a Chinese spokeswoman said Monday, rejecting a complaint from Prime Minister Justin Trudeau that the man's rights were being denied.