Some 270,000 passengers have been left stranded across Indonesia after a volcanic eruption grounded more than 2,000 flights and forced airports to suspend operations for a second day.Anak Krakatau, located 150km (90mi) from Jakarta, began erupting late on Friday, producing lava fountains and sending volcanic ash into the capital and the Lampung province. It stayed seismically active throughout the weekend.Jakarta's Soekarno-Hatta International and three other airports have extended closures till...