Prime Minister Kiril Petkov urged citizens not to worry as “things are absolutely under control.”
Bulgaria and Poland said Russia was halting delivery of natural gas supplies, marking a major escalation in the face-off between Moscow and Europe.
The UN described the speed with which the Ukraine refugee crisis was unfolding as unprecedented in recent times.
According to Romanian authorities, the 48-year-old woman was sentenced to six years in prison for corruption.
Several hundred supporters of the nationalist party Vazrazhdane or Revival protested against sending military aid in front of the parliament.
The Russian diplomats had been ordered out of the country within 72 hours.
They have received job offers from Bulgarian companies, especially in the IT sector.
“I am expecting very good days to come for Bulgaria and Nigeria and to build on our partnership.”
In retaliation, Russia has banned many countries from its airspace, including Bulgaria, Poland, Romania, and Czech Republic.
At least 46 people, most of them tourists from North Macedonia, died as a bus crashed in flames on a highway in western Bulgaria on Tuesday, officials said.
