Group 's leader is believed to have been killed in air attack last year . Deputy claims leadership ; he was falsely believed killed this month . Mohammad believes that he is in line to lead the group because he is a deputy of Mehsud 's , the relative said . Pakistani officials announce arrest of two top Group figures .
Group 's leader is believed to have been killed in air attack last year . Deputy claims leadership ; he was falsely believed killed this month . Pakistani officials announce arrest of two top Group figures .