The radio galaxy 1321+045 is a rare example of young, compact steep spectrum source located in the center z=0.263 cluster. Using combination Chandra, VLBA, VLA, MERLIN and IRAM 30m observations, we investigate conditions which have triggered this outburst. We find that previously identified 5 kpc scale lobes are probably no longer powered by AGN, seems to launched new ~20 pc jet on different ax...