In Sudan, pro-democracy leaders today pledged to press their campaign of civil disobedience until the ruling military council is ousted and killers of protesters are brought to justice. <br />'' <br />'' The pledge comes after new clashes brought the death toll in three days of the military crackdown to 108.<br />'' <br />'' The Sudan Doctors Committee, one of the protest groups, said more than 500 have been injured in the crackdown. <br />'' <br />'' The crackdown began with a violent dispersal of the protest movement's main sit-in camp, outside the military headquarters in the capital, Khartoum, on Monday.  <br />'' <br />'' Meanwhile, the African Union, AU, has suspended Sudan and demanded a civilian-led transitional authority to resolve the bloody crisis in the country.