New Delhi, Aug. 4 -- A new political party formed by the students who spearheaded an anti-government movement ousting former Prime Minister Sheikh Hasina on Sunday rallied in Bangladesh's capital and pledged to build a new Bangladesh amid political uncertainty over the next election.

Separately, supporters of the student wing of the Bangladesh Nationalist Party, or BNP, also held a rally in the capital, Dhaka, where party leaders also vowed to work to establish democracy following the fall of Hasina.

The rallies took place two days before the country's interim government headed by Nobel Peace Prize laureate Muhammad Yunus is marking the anniversary of Hasina's fall.

Hasina fled the country to India last Aug. 5 amid a mass uprising, end...