Incandescent materials, ash and smoke are spewed from the Popocatepetl volcano as seen from the San Nicolas de los Ranchos community, state of Puebla, Mexico, on Wednesday. Mexican authorities on Sunday raised the warning level for the Popocatepetl volcano to one step below red alert, as smoke, ash and molten rock spewed into the sky posing risks to aviation and far-flung communities below. - AFP
