to distribute a controlled substance as defined in classes A, B, or C of section thirty-one of chapter ninety-four C, or (6) engaged in other criminal conduct which seriously threatened or endangered the health or safety of another tenant, an employee of the housing authority or any other person lawfully on the premises of the housing authority, or (7) for any of the reasons set forth in section nineteen of chapter one hundred and thirty-nine, or (8) a guest of a tenant or of a household member engages in any such behavior listed in clauses (1) to (7), inclusive, where the tenant knew or should have known that there was a reasonable possibility that the guest would engage in misconduct. In the event the housing authority brings an action for summary process for possession of the premises, such action shall be accorded an expedited hearing and trial if any of the reasons set forth in clauses (1) to (8), inclusive, for termination of the tenancy are alleged. Notwithstanding the provisions of any general or special law to the contrary, including, but not limited to, the provisions of chapter two hundred and thirty-nine, if the court shall enter a judgment for possession in favor of the housing authority on account of one or more of the reasons specified in said clauses (1) to (8), the court's judgment shall not be stayed pending any appeal unless the court makes written findings that there is a reasonable likelihood that the tenant will prevail on appeal; provided, however, that a motion for a stay pending appeal may be made to the appropriate appellate court or to a single justice, but the motion shall show that application to the lower court for the relief sought is not practicable, or that the lower court has denied an application, or has refused to afford the relief