Justin Trudeau visited Gov. Gen. Mary Simon this morning and formally resigned as prime minister. Mark Carney will be sworn in as Canada's 24th prime minister at Rideau Hall at 11 a.m., where he will also reveal his first cabinet.

Former Environment Minister Steven Guilbeault is moving to culture and Canadian identity, Parks Canada and will also be Carney’s Quebec lieutenant. He previously held the heritage portfolio from 2019 to 2021. Terry Duguid is the new environment minister.

The newly-named leader of the federal Liberal Party will be sworn in as Canada’s 24th prime minister today. Mark Carney, who easily won the federal leadership race on Sunday, will be sworn in by Governor General Mary Simon in a ceremony at Rideau Hall at 11 a.