KABUL, Afghanisan — Widespread flooding, landslides and lightning strikes triggered by heavy rain and storms across Afghanistan have left 77 people dead and 137 injured over the past 10 days, the country's Disaster Management Authority said Saturday. More rain has been forecast for the coming days throughout Afghanistan, and the authority warned the public to stay away from river banks and areas prone to flooding. So far this year, dozens of people have died due to extreme weather in