A minesweeping task force is currently operating off the coast of Bulgaria.
The ban was introduced in accordance with the European Union’s directive on the implementation of sanctions.
The Russian company could take advantage of Bulgaria's exclusive right to import Russian crude oil by sea.
Commenting on Russia's statements, the European Commission noted that Crimea is part of Ukraine and said that the Kerch bridge is an illegal structure.
The route of the train cover a distance of 605 kilometers
Flights will be operated twice a week
The flights will be performed twice a week: on Fridays and Sundays.
An-140 aircraft will be used for the flights
The train will travel from Lviv through Ivano-Frankivsk and Chernivtsi
The flights are expected to be operated by the Bravo Airways.
The launch dates and destinations of the new trains are unknown.
Resumption of direct flights on the Odesa-Varna route is one of the priority areas of development of transport links between Ukraine and Bulgaria.
A memorandum of cooperation between the Ukrainian Sea Ports Authority and the Bulgarian Ports Infrastructure Company (the Bulgarian counterpart of the USPA) was signed during a working visit to Bulgaria by experts from the Ukrainian Sea Ports Authority.
The Dniproavia airline will begin flights to Bulgaria on 30 December by launching regular Kyiv-Sofia flights. On 19 January 2016, the frequency of the flights will be increased to twice a week.
Bulgaria supports reconstruction of the Highway M15 (Odesa-Reni, to Bucharest), and it is ready to help Ukraine obtain European Union funds for financing development of the documentation for the project.
Ukraine and Bulgaria intend to restore direct air and rail links between the two countries. An agreement to this effect was reached on 13 November during a visit to Sofia by Infrastructure Minister Andrii Pyvovarskyi.
Information about the frequency of the flights is currently unavailable.