"The priority is for European voice to be heard on time, so far there are no disturbances. If the process faces obstacles, we are more than ready to impose national measures, we are talking about all aspects not only political, but also related to business and culture, " said Minister of Foreign Affairs Linas Linkevičius.

Latvia has already adopted national decision to refuse entry to the country for Russian singers Oleg Gazmanov, Joseph Kobzon and Valeria.

"We do not discount those possibilities, we identify with Latvians, but they have a very specific situation regarding Jurmala Festival. We do not share these problems," said Linkevičius.

EuObserver reported that on Thursday, 24 July, EU ambassadors added 15 people, 9 companies and 9 Russian and eastern Ukrainian institutions to the "blacklist". This expanded the list to 72 people and 2 companies that are associated with the annexation of Crimea.