Demonstrators blocked traffic on the central street as they called for urgent economic reforms and early parliamentary elections, the state news agency NNA reported.
On Saturday, the city saw clashes between anti-government protesters and security forces, with hundreds of demonstrators, pelting the parliament's building with stones and smashing shop windows.
Local troops were deployed to the streets to disperse the crowd. In response, protesters set a police motorbike on fire and barricaded the road, burning tires and trash cans.
Lebanon has been rocked by protests since October when the price of the dollar on the parallel market more than doubled, causing consumers to lose their purchasing power and putting many out of jobs.