Mark Carney's official campaign launch for Liberal leader included high praise from supporters and some unexpected moments behind the scenes including a glitchy teleprompter, a mysterious limousine booking and police showing up on scene.

Former Bank of Canada governor Mark Carney is set to announce his candidacy for leadership of the federal Liberal Party at a media event early Thursday afternoon in Edmonton, according to a media notice.

Mark J. Carney ’87 — a member of Harvard’s Board of Overseers, the University’s second-highest governing body — launched his campaign to become Canada’s next prime minister at a rally in Edmonton, Alberta Thursday afternoon.