Protesters Clash In Athens During Macedonia Name Deal Rally

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WATCH: Protesters Against Macedonia Name Deal Clash With Greek Police

Protesters have clashed with police outside Greece's parliament during a rally that drew tens of thousands of people who oppose a name deal with Macedonia.

Dozens of demonstrators threw rocks, fireworks, and other objects at riot police officers as they tried to enter the parliamentary premises in Athens on January 20.

Police responded with the use of batons and tear gas.

Nine officers were injured in the violence, they said.

The governments of Greek Prime Minister Alexis Tsipras and his Macedonian counterpart, Zoran Zaev, struck the deal in June to change the former Yugoslav republic’s name to the Republic of North Macedonia.

In exchange, Athens would lift its objections to the country joining NATO and the European Union.

Greek lawmakers were expected to start a debate on January 21 on ratifying the agreement and vote on it by the end of the week.

Earlier this month, Macedonia’s parliament approved a constitutional revision to change the country's name.

The deal has met with opposition in both Greece and Macedonia with critics saying it makes too many concessions to the other side.

Athens argues that use of the term "Macedonia" implies territorial claims on Greece’s northern province of the same name, and on its ancient Greek heritage.

"There is only one Macedonia, the Greek Macedonia, that's it," read a sign held by one protester in Athens.

"This government is a government of traitors," Christina Gerodimoun told the AFP news agency, in reference to a coalition led by Tsipras.

Protest organizers said they hoped to attract more than 600,000 demonstrators. Police released an official estimate of 60,000.

A statement from Tsipras's office blamed "extremist elements" and members of the far-right Golden Dawn party for the clashes during the rally.

"In our democracy, citizens' free expression is an inalienable right, even for those who want to abolish democracy.... It is also the duty and obligation of those of us who do believe not to allow them. Let's isolate and condemn them," it said.

The Greek prime minister survived a confidence vote in parliament on January 16. The motion was launched after his junior partner, Defense Minister Panos Kammenos, resigned in protest over the agreement.

With reporting by AP, Reuters, dpa, and AFP