Scuffles broke out at anti-lockdown rallies in Athens and Thessaloniki.<br />Protesters launched fireworks at police, who deployed tear gas and arrested several.<br />Hundreds had gathered, denouncing government measures put in place to curb the spread of COVID-19.<br />Athens metropolitan area has been placed under a full lockdown to ease pressure on hospitals amid increased admissions.<br />Non-essential shops and schools are closed until the end of February.<br />Greece has registered 172,128 COVID-19 cases and 6,126 related deaths (according Johns Hopkins University).