Charlie Sheen landed last night at the Van Nuys airport on a private plane from New York.

The Two And A Half Men actor, who had been in NY to visit with ex wife Denise Richards and his two young daughters, suffered an alleged breakdown in his hotel room.

Although early reports claimed Sheen was under the influence at the time of the incident, his rep says he had an allergic reaction to medication. "Everything else is speculation," he adds.