Rob Knox
, 18, who is set to appear in the next Harry Potter
movie - "Harry Potter And The Half-Blood Prince", was fatally stabbed after he was tried to protect his younger brother, Jamie Knox, 16, in a fight outside the Sidcup's Metro Bar.According to Dailymail,
Rob Knox was a member of the same rugby club as Jimmy Mizen, murdered in a bakery in Lee, South-East London, two weeks ago.
The drama student died around 1am today in an attack in Sidcup, Kent, and was officially pronounced dead at Queen Elizabeth Hospital in Woolwich.
Police arrested a 21-year-old man on suspicion of murder after he was treated in hospital for facial injuries.
In the new film coming out in November - Rob, who had finished his work on the set, plays Ravenclaw student Marcus Belby.
