In an emergency Commons statement, the Prime Minister said he was not going to set up a "parallel inquiry" into Lord Justice Leveson's inquiry into media standards.
But he said that if evidence of a breach of the code emerged when Mr Hunt appeared before the Leveson inquiry, he would refer the matter to his independent adviser on ministerial interests, Sir Alex Allan, or take action himself.
Mr Cameron said that he would not wait until the end of the Leveson Inquiry to take action if action was needed.
"If new evidence emerges from the Leveson Inquiry that the ministerial code has been broken I will either seek advice from Sir Alex Allan or take action directly," he... read more