Mason:

Office lights in some corners of Westminster were on much later than usual last night. Why? Because ministers and officials,...

Office lights in some corners of Westminster were on much later than usual last night. Why? Because ministers and officials,...

Office lights in some corners of Westminster were on much later than usual last night. Why? Because ministers and officials,...

Office lights in some corners of Westminster were on much later than usual last night. Why? Because ministers and officials,...

Office lights in some corners of Westminster were on much later than usual last night. Why? Because ministers and officials,...

Office lights in some corners of Westminster were on much later than usual last night. Why? Because ministers and officials,...

Office lights in some corners of Westminster were on much later than usual last night. Why? Because ministers and officials,...