Spokesperson of the Ministry of Foreign Affairs Pham Thu Hang made the above statement at the press briefing in Ha Noi on Thursday.
These options may include evacuating from major Ukrainian cities or staying away from high-risks areas, she added.
They are advised to regularly update information from local authorities and warnings from the Ministry of Foreign Affairs and overseas diplomatic missions in order to make timely decisions; maintain regular contact with Vietnamese associations and the Embassy of Viet Nam in Ukraine.
Those who need assistance should contact the Ministry of Foreign Affairs on +84 981 84 84 84 or +84 965 41 11 18.
Meanwhile, Vietnamese citizens should not travel to Ukraine unless absolutely necessary, said the Spokesperson./.