“Bobi Wine and his entire campaign team stuck in Kalangala! Blocked media,” said the tweet.
No other details of his arrest were made available.
He said one of his bodyguards was run over and killed on Sunday by a military police truck, while the guard was taking a journalist to the hospital.
In an interview with CNN earlier this month, Wine said he had almost been killed on two occasions in the past few weeks and urged the international community to hold the Ugandan government accountable before next month’s elections.
Although officials said the restrictions are necessary to stem the spread of Covid-19, opposition members and their supporters say they are an excuse to limit the campaign before the elections.
United Nations human rights experts released a statement on Tuesday expressing serious concerns about violence ahead of Uganda’s presidential election. They urged the authorities to “end the arrest, detention and judicial harassment of political opponents, civil society leaders and human rights defenders”.
“Since the publication of guidelines on conducting elections during Covid-19 in June by the Ugandan Electoral Commission, we have witnessed the gradual reduction of civic space and the misuse and abuse of health-related restrictions to contain dissent in the country before of the election on January 14, “said UN experts.