Here, police hold a protest outside government headquarters in the capital Bucharest. Hundreds were injured during Friday's mass demonstration.
Around 7,000 protestors waved Romanian and European Union flags and chanted "party of thieves" as they called for the government to resign, with demonstrators joining the rally through the evening.
Demonstrators clashed with police on Friday as an anti-government protest in Romania's capital, Bucharest, turned violent.
It ended in violence.
Around 150,000 gathered in Bucharest past year after the government passed a decree that could free those jailed on corruption charges.
As the protests heated up, some threw bottles and paving slabs at riot police.
To disperse the rally suffered at least 435 people.
Thousands protested in other Romanian cities. Resignation!' " the wire service writes.
But participants still expressed their anger over the leftist government, accusing it of corruption.
"I am one of those who support this idea of making a huge PSD rally again", PSD's deputy secretary general Codrin Stefanescu said at local news television Romania TV, local Mediafax reported.
"We should make our presence felt, and they should understand that they are not wanted anymore at the country's helm", said Cuc Valeriu, a factory worker, adding that people should not have to wait for elections to express their discontent.
Protesters demand the resignation of the government, objecting to perceived efforts by the governing Social Democrats (PSD) to weaken the judiciary, as well as low wages and deep-rooted corruption in the country.
"An estimated 3 million Romanians live overseas, and some say they left because of corruption, low wages and a lack of opportunities".
Romania is one of the poorest and most corrupt members of the European Union.
Police rejected criticism from the centre-right opposition that its officers had used excessive force on Friday, saying its response to violence by dozens of protesters had been "gradual and proportionate".
President Iohannis posted on Facebook to say he strongly condemns the violent tactics of police intervention at the protests over the weekend.
Several more thousands protesting against graft and politicians' attempts to decriminalise several corruption offences gathered in the Transylvanian cities of Cluj, Sibiu and Brasov, in Timisoara on the border with Serbia, and in the eastern city of Iasi.
The demonstrations stem from some Romanians' long-standing frustrations with the ruling Social Democrats (PSD).