WATCH | Nurse who calmed gunman after fatal hospital shooting described as 'guardian angel'

Sister Diane Seale who started her nursing career back in 1979, says she's never experienced anything quite "as horrific" as the scenes that played out at the New Somerset Hospital in Cape Town at the weekend.
She addressed the media on International Nurses Day following a deadly shooting on Saturday in which three people, two patients and a police officer, died.
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