Nico Antic was bitten on both legs by a shark at the Sydney Harbour

Attack on boy followed by two further shark incidents across Sydney beaches within 24 hour

Close family friend says Nico Antic had ‘devastating injuries’ and was fighting for his life after more than 60 hours in hospital

Nico Antic was bitten on both legs by a shark at the Sydney Harbour

Family confirms boy has died almost a week after the attack, describing him as possessing the ‘most kind and generous spirit’

Nico Antic was swimming in Sydney Harbour when he was attacked last Sunday.