Huge explosion in NW Iranian city leaving many casualties

A massive explosion rocked the northwestern Iranian city of Ghazvin, leaving many casualties, Al Arabiya TV reported.
Iran’s state-run Fars news agency reported an enormous explosion shook the southern areas off Ghazvin, Al Jazeera TV reported. This explosion took place inside an industrial oil warehouse that led to an intense blaze at the site and thick black smoke covered Ghazvin’s sky.