Friday July 22, 2011 11:20 AM EDT

maria shriver 300 Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accident

Christopher and Maria Shriver

Brooks/INF

Arnold Schwarzenegger and Maria Shriver’s 13-year-old son is in serious condition in a Los Angeles-area hospital following an accident on a beach in Malibu.

A source close to Shriver confirms that Christopher Schwarzenegger was boogie boarding on Sunday, when something went wrong and he suffered a collapsed lung, broken bones and broken ribs. His mother was with him on the beach, says the source.

“Christopher has been in ICU since Sunday,” a source tells PEOPLE. “Maria has not left his side and is sleeping at hospital.”

Schwarzenegger has visited as well. Christopher’s injuries were first reported by TMZ.com

More to come …

google Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidenttwitter Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidentfacebook Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidentstumbleupon Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidenttumblr Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidentreddit Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidentbuffer Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidentdiggit Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidentlinkedin Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accidentpinterest Maria Shriver, Arnold Schwarzeneggers Son in ICU After Surfing Accident

« »