Three BNP leaders Anwar, Mintoo, Aman today surrendered before separate Dhaka courts after the top court binned their High Court bail in 89 violence cases.Chief Judicial Magistrate Court, Chief Metropolitan Magistrate Court and Dhaka Metropolitan Sessions` Judge`s Court will hear the petitions at 2pm.Earlier on July 27, the Supreme Court scrapped bail for the three BNP leaders and asked them to surrender before a lower court within a week.