The brother of Afghan Taliban leader Haibatullah Akhunzada has been killed in a powerful bomb blast at a mosque in southwestern Pakistan, Taliban sources have confirmed. A senior Taliban source said that Hafiz Ahmadullah was the imam of the Khair Ul Madarais mosque in the town of Kuchlak, on the outskirts of Quetta, that came under attack during Friday prayers. At least four people were killed in the bomb explosion, according to police. "It is true that the brother of Akhunzada, Hafiz Ahmadullah, has been killed in the explosion," the source told Al Jazeera, adding that two of Haibatullah's nephews...