The Ministry of Foreign Affairs (MOFA) of Taiwan issued a travel advisory to the public on Monday after a Taiwanese man told CNA that he and some of his family were denied admission to Cuba on Sunday "due to the strained relations between Taiwan and China, Focus Taiwan reported. Danny Yen, a Taiwanese expatriate in Canada, told CNA on Sunday he and four family members, all of whom live in Montreal, travelled to Havana on their Republic of China (ROC) passports for a nine-day excursion in the Caribbean country.