Credit: Kieran McKennaFootage of the "sweet, lovely" 87-year-old man who was stabbed to death shows him busking to raise money for Ukraine months before the killing.Thomas O'Halloran can be seen playing his accordion and smiling with a makeshift blue and yellow collection box strapped to his frame in the video posted online in June.

Credit: Kieran McKennaFootage of the "sweet, lovely" 87-year-old man who was stabbed to death shows him busking to raise money for Ukraine months before the killing.Thomas O'Halloran can be seen playing his accordion and smiling with a makeshift blue and yellow collection box strapped to his frame in the video posted online in June.