North American Headlines at 4:53 a.m. EST

Hong Kong airline stops pregnancy tests for Saipan travelers

Senate passes US-Canada-Mexico trade deal, a Trump priority

FBI arrests 3 alleged white supremacists ahead of gun rally

Organizers appeal ban on arms at upcoming Virginia gun rally

Nations of Iran crash victims seek compensation for families

Artist uses snow as canvas for massive geometrical designs

Trump campaign tries robust outreach to expand his appeal

House leaders march Trump impeachment articles to the Senate

MacKay to run for leadership of Canada's Conservative party

Trudeau: Plane victims would be alive if not for tensions