Ugandan police have sprayed opposition leaders with a pink liquid to stop them holding a banned rally in the capital., writes BBC online, Tuesday.
After the drenching, Democratic Party leader Norbert Mao was then arrested.
This week, opposition parities have stepped up their campaign over high prices, which has led to recent clashes between the police and protesters.
Meanwhile, President Yoweri Museveni has said to curb riots he wants a new law to deny bail for six months to those arrested while protesting.
Mr Museveni, who has been in office for 25 years, is due to be sworn in again as president on Thursday.