Former police officer Li Kam-keung has donated blood more than 500 times. Photo: David Wong/SCMP
Former police officer Li Kam-keung has donated blood more than 500 times. Photo: David Wong/SCMP

Kindness is in ex-policeman's blood

Former police officer Li Kam-keung has donated blood more than 500 times. Photo: David Wong/SCMP
Former police officer Li Kam-keung has donated blood more than 500 times. Photo: David Wong/SCMP
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