President Gotabaya Rajapaksa was due to step down after widespread protests over his handling of the country's economic crisis.
"The president has to resign, the prime minister has to resign and the government has to go."
The country is set to plunge into darkness within 24 hours
A parliamentarian died after a standoff with anti-government protesters in the town of Nittambuwa near Colombo.
The country of 22 million people is facing dire food and fuel shortages.
The debt is estimated to be over $USD 4 billion ($NZD 5.8 billion)
There have been hours-long power cuts and Sri Lanka is short on basic necessities.
Newshub reporter Kethaki Masilamani explains.
She is due to appear in court over the incident later this month.
