At least four dead after powerful magnitude 6.3 earthquake strikes northern Afghanistan

By Masoud Popalzai and Catherine Nicholls, CNN (CNN) — A powerful magnitude 6.3 earthquake has struck near one of northern Afghanistan’s largest cities, the United States Geological Survey (USGS) said. Preliminary reports suggest the earthquake struck at a depth of 28 kilometers (17.4 miles) near the city of Mazar-i-Sharif – the capital of Balkh province