Opposition leader Hristo Ivanov tells Euronews that the prime minister's plans to amend the constitution have already "reached a dead end".
Biggest demonstrations so far in nearly two months of anti-government rallies
Justice minister Danail Kirilov is the fifth minister to resign from the government since protests started in July as the public anger shows no signs of abating.
Bulgaria's storied location between East and West has given it plenty of Instagram-ready sights, but this is a soulful and quietly cosmopolitan land too, steeped in traditions that invite you to power down for a bit and savor the moment.
Thermal springs and mud therapy on Bulgaria's Black Sea coast
Tsarevets Fortress: Euronews visits Bulgaria's City of the Tsars, the heart of the second Bulgarian empire and now a popular tourist attraction
Roses and gold, forest green and sparkling azure blue, and after the first snows the gleam of bright white: for every season in Bulgaria there are captivating colors and unforgettable experiences to match.
A group of protesters also went on a hunger strike and one activist threatened to set herself on fire.
A postcard from Vitosha Mountain: Bulgaria's year-round nature escape
Demonstrators have taken to the streets with the same demands for a month — they want the country's entire cabinet to resign and elections to be held.
If Bulgaria's natural beauty is one of Europe's best-kept secrets, its strategic location between East and West has also placed it at the crossroads of many intersecting civilizations over thousands of years and that has endowed the country with a truly exhilarating array of cultural treasures.
Demonstrators accuse Borissov and the country's top prosecutor, Ivan Geshev, of corruption, authoritarian rule and dependence on criminal groups. They are calling for both men to step down.
There are now fewer than 4,000 tigers left in the wild, down from 100,000 in the early 1900s.
Russian Patriarch Kirill celebrates the Orthodox Easter Mass at an empty Christ the Saviour Cathedral in Moscow amid the coronavirus pandemic.
In Sofia, people attend the Easter mass despite the virus fears.