A Georgian opposition leader has been dragged from his party office by police and others have been physically attacked, after the prime minister vowed that organisers of a week of pro-EU protests, which he called "violent actions", would face justice.

Georgian Prime Minister Irakli Kobakhidze on Tuesday agreed to hold talks with two former ministers and an opposition party on the country's European course, after days of increasingly tense protests by opposition supporters.

Irakli Kobakhidze warns opposition leaders and NGOs will be held accountable for mounting antigovernment protests.

Days of protests have rocked Georgia following the government’s controversial decision to delay the former Soviet country’s bid to join the European Union. Tensions have been brewing for months in the South Caucasus nation of 3.

Georgians gather for a fifth night of protests in the capital, Tbilisi:: Guga Doduchava, Protester"I think it is a duty of all citizens to stand here. To be honest, for me, it is not the case just whether we will be in the European Union or no,