France: Building Collapses in Marseille City, Five Injured; Rescue Operation Underway (Watch Video)
"There are strong suspicions that an explosion caused the collapse, but we must remain very cautious about the causes at this stage," said Christophe Mirmand, prefect of the Provence-Alpes-Cote d'Azur region of which Marseille is the capital, adding that gas could be "a possible option," Xinhua News Agency reported.