"He was a superstar, loved by all"

A mural for Sisto Malaspina, co-owner of Pellegrini's Espresso Bar Source: AAP Image/James Ross

Melbourne's renowned Pellegrini's restaurant has temporarily become a memorial site in the wake of Sisto Malaspina's murder.

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Mr Malaspina was stabbed to death by lone terrorist Hassan Khalif Shire Ali on Friday evening after the IS-inspired assailant failed to set off an explosion in Bourke Street. Here is what his friend Raj Khanna has to say about him.