Speaking at Home Office questions in the Commons, Theresa May said: "He has experienced the service evolving over the years and as Director General has lead the service through particularly challenging times of change and unrest, including the aftermath of the 7/7 bombings.
"His tireless work helped ensure the delivery of a safe and successful Olympic and Paralympic Games last year.
"I commend and thank him for his invaluable contribution to public safety and national security."
Shadow Home Secretary Yvette Cooper said: "We also give thanks for the work Sir Jonathan Evans has done over many years for the security of this country."
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