An explosion tore through a Chinese-run restaurant in a hotel in a heavily guarded part of Afghanistan’s capital on Monday, killing a Chinese national and six Afghans and injuring several others including a child, officials said. The restaurant was in the commercial Shahr-e-Naw neighbourhood of Kabul that includes office buildings, shopping complexes and embassies, police spokesperson Khalid Zadran said. The district is considered one of the safest in the city. The Chinese noodle restaurant was