He acted after being told a TV producer claims she was groped during a meeting inside Number 10 while he was in office.
Daisy Goodwin, the creator of hit ITV series Victoria, said an official touched her breast after a discussion of a proposed TV programme.
Mr Cameron said he was “alarmed and shocked” to hear her allegations and immediately contacted the Cabinet Office to voice his concern.
The producer told the Radio Times that she did not report the incident at the time as she did not feel “traumatised” but was worried it had been wrong to keep quiet.
She said she was astonished when the official put his hand on her breast after the meeting but dealt with the situation by “humiliating” him verbally, looking at his hand and saying: “Are you actually touching my breast?”
She added: “He dropped his hand and laughed nervously.
“I wasn’t traumatised, I was cross, but by the next day it had become an anecdote, The Day I Was Groped In Number 10.
“Now, in the light of all the really shocking stories that have come out I wonder if my Keep Calm And Carry On philosophy was correct? The answer is, I am not sure.”
Downing Street has told Ms Goodwin that if she makes a complaint, it will be looked into.
Source : EXPRESS