Chadians, including prominent opposition figure Succes Masra, cast their ballots, in a referendum on a new constitution, a vote seen as a key step toward elections and the return of civilian rule promised, but postponed, by the ruling military junta. Chad's transitional president Mahamat Idriss Deby Itno called on people to vote in order to "strengthen the foundations of our democracy" though turnout was limited in the capital N'Djamena. IMAGES AND SOUNDBITES