At least 31 people have been killed when an explosion ripped through a restaurant in the north-western Chinese city of Yinchuan on the eve of a popular local holiday. br br #ChinaRestaurantBlast #LPGBlast #ChinaBarbequeRestaurantBlast #ChinaRestaurantExplosion #Yinchuan #NingxiaBlastbr ~HT.97~PR.152~ED.