Fraport entered into partnership with Varna-based company BM Star . The concessionaire has vowed to inject 403 million Euro in the two airports during the lifespan of the arrangement . Fraport will pay 60 % of an investment of EUR 403 million over the 35-year concession . The investments will be made in new terminal facilities , vehicles and equipment and expanding apron areas at the airports over the life of the concession On 18 July 2012 a bomb exploded on a passenger bus transporting Israeli tourists at the Burgas Airport . The explosion killed seven people and injured thirty-two ( see 2012 Burgas bus bombing )
2012 Burgas bus bombing
2012 Burgas bus bombing
Burgas Airport