Sylvester Stallone's son, Sage Stallone, has died aged 36

It is with sadness that we report the news of the death of Sylvester Stallone's son, Sage Stallone.

He was found dead in Los Angeles, according to a report in the Guardian , but no other details have been released yet.

Sage Stallone acted with his action hero father in two films, first playing his on-screen son in Rocky V , and later appearing in Daylight .

Stallone Jr also director a short film, Vic , and co founded Grindhouse Releaseing as a way of preserving B-movies from the '70s and '80s.

Publicist Michelle Bega stated, "Sylvester Stallone is devastated and grief-stricken over the sudden loss of his son. His compassion and thoughts are with Sage's mother, Sasha."

Our thoughts go out to Sage Stallone's family.