Seven people died, including an Alaskan state legislator, after two planes crashed midair.
Sixteen people, including a police officer, are dead following a shooting rampage in Nova Scotia that police say is the worst in Canadian history.
Police said three people opened fire inside the shop and fled in a silver van.
The deaths were all part of one family.
Two men have been arrested for the murder of an off-duty Chicago police officer, authorities said.
At least 23 were killed by tornadoes in Lee County, about 60 miles northeast of Montgomery, Alabama.