BANTUL, Indonesia - The Mount Merapi volcano spewed lava and hot clouds Saturday and a strong aftershock hit the region, sending fear rippling through the southern Indonesian area devastated by an earthquake only a week ago. The mountain's lava dome has swelled in the past week to 330 feet, raising fears that it could collapse, said Subandriyo, a government scientist who uses one name. That could release a highly dangerous pyroclastic flow — a fast-moving burst of high-temperature gases and rock fragments that burns anything in its path. More than a thousand aftershocks have hit the region since the 6.3-magnitude...