Zimbabwe President Robert Mugabe's government has turned up the heat on critics and political opponents fighting to overturn his controversial re-election as head of state in March.
After a 10-week crackdown on journalists accused of publishing falsehoods against Mr Mugabe's ruling ZANU-PF party, police detained two top lawyers on allegations of writing letters inciting violence against the government.
Police have also in the past week followed up Mr Mugabe's warning he will not tolerate any revolt against his rule with raids on homes and business offices of some top opposition officials suspected of organising anti-government protests.
The main opposition Movement for Democratic Change (MDC) charges that ZANU-PF is continuing its intimidation of the movement to try to destroy its structures in a campaign launched before the March 9-11 presidential elections.
MDC leader Mr Morgan Tsvangirai has described Mr Mugabe's victory in the vote as "daylight robbery" and is backed in his demands for a re-run by Western powers, who condemned the poll as fraudulent.
The MDC has gone to court to challenge the result, and Mr Tsvangirai has threatened to push for street protests to help overturn the election result.
Mr Mugabe - who says he won fairly and accuses the West of trying to impose Mr Tsvangirai as Zimbabwe's leader - insists he will not tolerate any violence or protests against his victory.
Police were still holding president of the Law Society of Zimbabwe Mr Stenford Moyo and the organisation's secretary Mr Wilbert Mapombere for allegedly writing letters to the MDC and the British embassy urging violence against the government.
A police spokesman said they were likely to be charged under a tough new security law widely seen as aimed at repressing opposition to Mr Mugabe. He denied the government was abusing the new laws to harass the opposition and journalists.