Thousands of people demonstrated in the Serbian capital on Saturday, in the 12th straight week of protests against President Aleksandar Vucic.
The marchers followed the same route – gathering in central Belgrade before marching to the headquarters of State Television.
Critics accuse Mr Vucic of stifling hard-won democratic freedoms.
The movement marches under the banner “One in Five Million” – a reference to a comment Mr Vucic made last December when he vowed never to back down, even if 5 million people take to the streets.
The protests began after an opposition politician was beaten up by thugs last November.