Nov. 15 (UPI) -- Japanese Prime Minister Sanae Takaichi's recent comments about Taiwan have prompted the Chinese government on Friday to advise its citizens against traveling to Japan. While the advisory does not prohibit China's citizens from going to Japan, the warning is the most serious rebuke of the Japanese prime minister's comments so far, according to CNN . Hong Kong's Security Bureau on Saturday issued a similar notice to its residents. Seven Chinese airlines also told passengers who