Several thousand people demonstrate in Paris to demand the release of hostages held in the Gaza Strip. "We are at an important juncture, which I hope will be successful. But until we have it in our hands, we remain vigilant and cautious," says Ruth Amiel, aunt of hostage Elkana Bohbot who's presumed to be alive. (COMPLETE VIDI77RA6KE_EN) IMAGES AND SOUNDBITES