Malawi's President Joyce Banda has been angered by Madonna's claims during her tour to the country last week that she built 10 schools there.
A critic of President Bingu wa Mutharika, who says thugs were sent to petrol bomb his office, has been arrested on charges of kidnapping and torture.
More than 250 people have been charged in connection with protests in Malawi, as a US aid group halted a $350m programme over the violent crackdown.
Britain's envoy to Malawi has been asked to leave the country after he was quoted in a newspaper expressing concern about the president's intolerance.
A journalist for a newspaper the Malawian government had tried to ban was released on bail after being accused of threatening a Member of Parliament.
Malawi will not officially promote male circumcision as an HIV-prevention strategy, officials said on Wednesday, citing a lack of evidence.
A gay couple from Malawi have kept out of the public eye after being pardoned and freed, in what a relative said was a deliberate decision.
A gay couple in Malawi was found guilty on Tuesday of unnatural acts and gross indecency after a trial that drew worldwide condemnation.
In a land dispute pitting Madonna against Malawian villagers, the government has sided with the pop star, saying it had planned to develop the plot.
A strong earthquake has destroyed several buildings in Malawi, killing at least three people and injuring about 200, a government official said.