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Keir Starmer, Labour Party's shadow Brexit secretary, delivers his keynote speech during day two of the Labour Party Conference in Brighton, Britain, on Sept. 25, 2017. (Xinhua/Han Yan)

Keir Starmer, Labour Party's shadow Brexit secretary, delivers his keynote speech during day two of the Labour Party Conference in Brighton, Britain, on Sept. 25, 2017. (Xinhua/Han Yan)