A police investigation has been launched in to the alleged leak of emails from the former UK ambassador in the US.
Sir Kim Darroch called the administration of US President Donald Trump "clumsy and inept" in the emails.
It led to him stepping down from his post earlier this week.
Trump had said the US would no longer deal with Darroch and called him a "a very stupid guy."
The newly announced criminal investigation will try and find out who was behind the leak.
Iran confirms death of security chief Larijani
Iran has confirmed the death of senior political figure Ali Larijani, a key member of the country’s security establishment, amid ongoing regional conflict.
Washington targets Iran's fortified missile sites near Hormuz
The US Central Command (CENTCOM) has announced late on Tuesday that its forces are carrying out strikes at fortified missile sites on the Iranian coast near the Strait of Hormuz.
Israeli strikes in central Beirut kill 10 people, Lebanese authorities say
Israeli airstrikes in Beirut killed at least 10 people on Wednesday, the Lebanese health ministry said, shaking the heart of the Lebanese capital as Israel intensified its offensive against Hezbollah.
Israel military says its tank fire hit UN Lebanon base, regrets incident
Israel's military on Wednesday acknowledged that its tank fire hit a U.N. position in southern Lebanon on March 6, wounding Ghanaian peacekeepers, an incident that underscores the growing risks as Israeli operations expand.
Trump says NATO's refusal to help on Iran is 'very foolish'
President Donald Trump on Tuesday said the United States had been informed by most of its NATO allies that they did not want to get involved with the country's military operation in Iran, a move he described as a "very foolish mistake".
