UPDATE: ROME, Aug 24 (Reuters) - The earthquake that struck central Italy on Wednesday has killed at least 159 people, the country's civil protection agency said, raising a previous count of 124. The search for bodies is continuing through the night, authorities said. EARLIER STORY: An earthquake flattened towns in central Italy in the early hours of Wednesday, killing at least 120 people and burying some alive in their sleep, with volunteers and firefighters racing to free those trapped under mounds of rubble as darkness fell. The quake razed mountain homes and buckled roads in a cluster of communities some...