Britain's Metropolitan Police force says a leak of details from a secret government discussion about Chinese telecoms giant Huawei does not amount to a crime.

Counterterrorism head Assistant Commissioner Neil Basu said Saturday he was satisfied the disclosure did not breach the Official Secrets Act. He said "no crime has been committed and this is not a matter for the police."

The government launched an investigation after media reports that a National Security Council meeting had agreed, against the advice of the United States, to let Huawei participate in some aspects of Britain's new 5G wireless communications network.

Prime Minister Theresa May fired Defense Secretary Gavin Williamson, saying there was "compelling evidence" he was to blame. He strongly denies responsibility.

Opposition politicians have called for police to investigate the leak.