Students participating in a educational rally against the establishment of non-state, non-profit universities were found on the streets of downtown Athens.
Shortly after 4:00 p.m., traffic was restored in the center of Athens, except for Academias Avenue.
Earlier, Stadiou and University Avenues had been closed off from Amerikis Street upwards.
The head of the march is located at the Law School.
Strong police forces are stationed both on Academias Avenue and Solonos Street.
According to the police, at least 15,000 people are participating in the rally.