With sudden rapidity, six life signs just winked out of existence, almost at the same moment. There are not only 5 life signs left in that section - four in the larger chamber at the end, and one in the second cell by the door. There is still silence on the comlink.
The guards have reached the door to the containment bay, and are working at getting through the door. For now your lockout appears to be holding them, and buzz remains hidden, floating above them. The lockout should hold them for a while, but you cannot stop them from cutting through the door should they decide to.