Thousands of protesters forced their way into the Prime Minister's office in Colombo, Sri Lanka.
This assault comes hours after the appointment of Prime Minister Ranil Wickremesinghe as interim president.
The latter said: "The protesters want to prevent me from fulfilling my responsibilities as interim president".
Security forces failed to contain the crowd but used water cannons and tear gas to repel them.
These scenes recall the capture of the presidential palace by the demonstrators on July 9.
The government declared a state of emergency after President Gotabaya Rajapaksa fled to the Maldives.
The demonstrators accuse the leaders of being responsible for the unprecedented economic crisis that the country is currently experiencing.
They demand the resignation of Gotabaya Rajapaksa and Ranil Wickremesinghe.
The president has promised to step down on July 13, and the interim president has pledged to step down after a government of national unity is formed.
Sri Lankan
leaders
are accused of having mismanaged the economy, leading to the inability of the country, in lack of foreign exchange, to finance the most essential imports for a population of 22 million inhabitants.
Colombo defaulted on its $51 billion foreign debt in April and is in talks with the International Monetary Fund (IMF) for a possible bailout.