Tens of thousands of opposition supporters have marched toward the Bangladeshi capital, Dhaka, to demand the resignation of the four-year-old government and new elections.
Waving banners and chanting anti-government slogans, the demonstrators clashed with police in several places. It was not immediately clear if anyone was injured.
Tuesday rally was organized by 14-party opposition alliance led by the Awami League. The opposition accuses the government of Prime Minister Khaleda Zia of corruption and incompetence - allegations the government has denied.
Meanwhile, a transport strike to protest the arrest of a union leader has stretched into a second day, leaving thousands of commuters stranded in Dhaka and other cities.
Workers called an indefinite bus strike in Dhaka late Sunday to demand the release of Mujibur Rahman in northern Dinajpur town. He was arrested on extortion and assault charges.
Some information for this report provided by AFP and AP.