Miles, a model, was said to be fighting for his life after the attack on a street in Nine Elms, South West London at around 8pm on Thursday.
"My 21 year old nephew was repeatedly stabbed in a brutal attack in London on Thursday night", she wrote.
Thank you for all your messages. Our hearts are with Elizabeth and her family during this time. The police will be appealing for witnesses'.
It is believed the men were attacked by a group of men who jumped from a vehicle, assaulted them, and took off.
The friend has been discharged from the hospital, but Hurley's nephew remains, according to the BBC.
California police officer killed, another wounded in shooting at apartment complex
Photo Officer Greggory Casillas of the Pomona Police Department in California was shot and killed on Friday night. The deceased officer was identified Saturday afternoon as Gregory Casillas, 25, The Daily Bulletin reported .
Liz Harley returned hurriedly from the United States in London when she learned that her nephew was found stabbed.
"Another man, also believed to be aged 21, was also found suffering from stab wounds".
London Ambulance Service took the two men to a south London hospital, where they were treated for stab wounds.
The star was pictured arriving Heathrow on Friday morning and is thought to now be at Miles' bedside with sister Kate.
Miles has done shoots for fashion king Roberto Carvalli and Dolce & Gabbana.
Le régime accentue son emprise sur la Ghouta, privée d'aide humanitaire — Syrie
Depuis le 18 février , les forces du régime ont repris la moitié de la Ghouta orientale, et plus de 860 civils ont été tués. Elle a été suivie par des assauts terrestres qui ont permis aux prorégime de progresser rapidement.
Miles has described himself as being "really close" to his famous aunt.
A source told The Sun: 'His family feared the worst.
In 2013, she shared a shot from early on in his career, saying: "Here's my handsome nephew".
"Fortunately, it seems the knife missed his vital organs", the insider added.
No arrests have been made.
Anthony Davis (sprained ankle) day-to-day, doubtful for big game vs. Wizards
Davis has played in 58 games this season, averaging 28.1 points, 11.1 rebounds and 2.3 blocks. Both Davis and coach Alvin Gentry downplayed the severity of the injury after the game.