In this handout photo released by Eurokinissi agency, freelance photographer Kostis Ntantamis, working on assignment for Sputnik, receives medical treatment after he's been injured covering protests against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav Republic's name, in Athens, Greece. Editorial use only, no archive, no commercial use.

20.01.2019#5757835

In this handout photo released by Eurokinissi agency, freelance photographer Kostis Ntantamis, working on assignment for Sputnik, receives medical treatment after he's been injured covering protests against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav Republic's name, in Athens, Greece. Editorial use only, no archive, no commercial use.

20.01.2019#5757833

In this handout photo released by Eurokinissi agency, freelance photographer Kostis Ntantamis, working on assignment for Sputnik, receives medical treatment after he's been injured covering protests against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav Republic's name, in Athens, Greece. Editorial use only, no archive, no commercial use.

20.01.2019#5757832

A protester holds up his hands with a Greek flag on his shoulder next to the riot police officers as he takes part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756782

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756768

Protesters clash with riot police officers as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756756

Protesters clash with riot police officers as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756755

Protesters clash with riot police officers as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756754

Protesters clash with riot police officers as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756753

A man wearing Greece flag walks past riot police officers as he takes part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756752

Protesters clash with riot police officers as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756751

Protesters shout and wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756749

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756748

A man waves Greek flag as he takes part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756747

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756746

Protesters clash with riot police officers as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756745

A man waves Greek flag as he takes part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756744

Protesters wave Greek flags next to the Old Royal Palace as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756679

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756671

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756670

Men in traditional costume stand in line during a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756669

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756668

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756667

Protesters wave Greek flags as they take part in a rally against the agreement reached by Greece and Macedonia to resolve a dispute over the former Yugoslav republic's name, in Athens, Greece.

20.01.2019#5756666