When the protest turned violent, the police fired teargas into the crowd to disperse them.

They decided to teargas the encampment at dawn.

Witnesses reported police teargassing the square as protesters refused to disperse.

Medical volunteers rushed to help anyone affected after teargases swept through the central square.

When the protesters refuse to leave, the commander teargases the crowd to force them out.

Several protesters were teargassed during the demonstration, forcing them to flee while coughing and rubbing their eyes.

The new riot control unit teargasses demonstrators during every march.