The US House Committee on Oversight and Government Reform has demanded proof of security protocols and how they are kept in place by February 28. The House Oversight Committee has launched an investigation into Donald Trump’s alleged security breaches at his Mar-a-Lago estate in Florida.

After it was revealed that the President discussed North Korea’s ballistic missile test over dinner with Japanese Prime Minister Shinzo Abe and other guests in what committee chairman Jason Chaffetz described as a “public space”, the committee has asked the President’s team to provide proof of his security protocols at his estate and how they were maintained.

In a letter to Chief of Staff Reince Priebus, the President was also asked to explain why he reviewed White House documents at the dinner table, whether these documents were classified and if the other guests at the dinner had been vetted. “During this time, according to reports, the President made telephone calls to staff in Washington DC. These reports and social media accounts have suggested White House staff used their own cell phones to provide illumination for reviewing documents,” the letter read. “Separately, one Mar-a-Lago guest posted to his Facebook page a photograph with a man described to be the holder of the “nuclear football”.