Rescue workers in Nepal began digging through the rubble of collapsed houses with their bare hands on Saturday, searching for survivors after the country’s worst earthquake in eight years killed 157 people and shook buildings as far away as Delhi. The 5.6-magnitude quake hit the far west of the Himalayan country late on Friday and was measured by the US Geological Survey at 11 miles (18km) deep. Local officials said it had not been possible to establish contact in the area near the epicentre in Jajarkot, a hilly district with a population of 190,000 and villages scattered in remote hills Search for survivors in western Nepal after earthquake kills at least 157 people