Nic Cage jumped to his son Weston's aide yesterday moments after the 20-year-old got into an insane brawl with his trainer ... causing cops to have him taken to a local hospital for mental evaluation.
As we first reported, after cops arrived at the Hollywood restaurant where Weston went off, they strapped him to a gurney and placed him in an ambulance, fearing he was unstable.
In the photo, you see Weston in the ambulance, wearing his unmistakable Thor-themed wedding ring.
Nic Cage -- At His Son's Side in Ambulance
6/8/2011 11:00 AM PDT BY TMZ STAFF
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