Bulgaria is facing the possibility of its sixth general election in just three years after talks to form a new government cabinet have been called off by deputy Prime Minister Mariya Gabriel. The 44-year-old former EU commissioner explained in Sofia on Sunday that she was saying “‘no’ to the constant new conditions” put to her party by her coalition partners. Gabriel said she and the negotiating team of her pro-Western, centre-right alliance Gerb-SDS were ending coalition-building talks with their coalition partner, the equally pro-Western liberal-conservative PP-DB. The outgoing government le…