Share FacebookTwitterWhatsAppPinterestLinkedinCopy URLTelegramEmailTumblrReddItPrintKoo Kabul, Jan 20 (AP) The Islamic State group has claimed responsibility for an explosion at a Chinese restaurant in Afghanistan’s capital that killed at least seven people, including a Chinese national. The cause of the blast was still under investigation, authorities said Tuesday. The militant group said in a statement posted on its Aamaq news agency late Monday that a suicide bomber entered a restaurant frequented by Chinese nationals in the city and detonated an explosive vest during a gathering.