Two "Flying Tigers" officers slide down ropes and enter Li Tak-yan's apartment as the stand-off ends. Photo: Edward Wong

Gunman Li Tak-yan had a history of attacking neighbours

Source reveals killer was jailed for previous chopper assault as police search for clues behind fatal shooting of fellow estate resident

Two "Flying Tigers" officers slide down ropes and enter Li Tak-yan's apartment as the stand-off ends. Photo: Edward Wong
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