They made the allegations in court Thursday, a day after being formally charged with terrorism, banditry and insurgency. All seven pleaded not guilty. They face the death penalty if convicted.
The seven are among a number of rights activists and opposition party members detained in recent weeks in what the opposition calls a crackdown on dissent.
In a separate case, another group of detainees has been accused - but so far not formally charged - of attempting to recruit fighters to train in neighboring Botswana to overthrow President Robert Mugabe.
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Copyright 2008 Associated Press
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