Voters in Uganda are casting ballots Thursday in a nationwide referendum on whether to restore multi-party politics after nearly 20 years.

Despite early reports of low turnout, voters are widely expected to approve the measure, which reverses Ugandan President Yoweri Museveni's ban on political parties.

Uganda Votes in Referendum on Multi-Party Democracy

Opposition groups -- which lost a last-minute court bid to stop the vote - have called for a boycott, arguing that political rights should not be put to a vote.

Uganda Votes in Referendum on Multi-Party Democracy

They also accuse the president of appeasing his critics, after lawmakers approved a constitutional amendment allowing him to run for another term in office.

Uganda Votes in Referendum on Multi-Party Democracy

Mr. Museveni banned political parties after seizing power in 1986, arguing they would split the country along tribal lines. But he is now calling on voters to support lifting the ban, saying Uganda is now ready for multi-party politics.