'Them's the breaks', UK's Johnson says as he sets out exit

British Prime Minister Boris Johnson said he was sad to be leaving the best job in the world in a resignation statement on Thursday, and added: "Them's the breaks."

"I know that there will be many people who are relieved and perhaps quite a few who will also be disappointed. And I want you to know how sad I am to be giving up the best job in the world," Johnson said in a speech outside Downing Street.

"But them's the breaks," he added.