The death toll from recent eruptions at Indonesia's Mount Merapi continues to rise as the volcano spewed hot ash clouds and gas on Sunday.At least 156 people have died since Merapi started erupting on October 26, said Sigit, a doctor at Sardjito Hospital in Yogyakarta. Many Indonesians go by one name.Ash columns reached as high as 6 kilometers (3.7 miles), according to the Indonesian Volcanology