The heads of both MI5 and MI6 are due to step down in the new year at a time of ongoing threats from Islamist extremists, Russia and the rise of China, The Telegraph understands.

Two new top spies, who could be posted in from outside the agencies, will face immediate global problems in these “dangerous times,” a former intelligence official has told the Telegraph.

Sir Alex Younger, the Chief of the Secret Intelligence Service (SIS), better known as MI6, and Sir Andrew Parker, his opposite number at MI5, are both thought to be standing down in 2020.

https://www.telegraph.co.uk/news/2019/12/28/heads-mi5-mi6-expected-stand-2020-despite-dangerous-times-britain/