A blast tore through a Sunni mosque during Friday prayers in the northern Afghan city of Kunduz, causing at least 20 casualties, the commander of Kunduz province said. Qari Badri, the commander of Kunduz province, told Reuters 20 people had been killed or wounded in the blast. Breaking: A blast tore through a mosque in the city of Kunduz, causing at least 20 casualties, the commander of Kunduz province said on Friday. Qari Badri, the commander of Kunduz province, told 20 people had been killed or wounded in the blast on a Sunni mosque. 1/2 — Zia Shahreyar l ضیا شهریار (@ziashahreyar) It was no…