Shiv Sena (UBT) chief Uddhav Thackeray on Tuesday expelled five rebel leaders for anti-party activities after they failed to withdraw nominations filed for the November 20 Maharashtra assembly elections. The leaders include Bhiwandi East MLA Rupesh Mhatre, Vishwas Nandekar, Chandrakant Ghugul, Sanjay Awari and Prasad Thackeray.