London attack: 'My brother may be one of the victims'To play this video you need to enable JavaScript in your browser.This video can not be playedLondon attack: 'My brother may be one of the victims'CloseMelissa McMullan says her brother James is thought to be one of the London terror attack victims.SubsectionUKPublished5 June 2017Shareclose panelShare pageCopy linkAbout sharingRead description