Two flights scheduled to depart from Boston Logan International Airport on Monday morning made contact with each other near the gate area, federal aviation and airport officials said.

Small towns and big cities alike are struggling to recruit and retain law enforcement officers amid national controversy over the police profession. Many veteran officers are retiring, leaving agencies in a bidding war for qualified candidates — as they try to hire the next generation to protect and serve.

Four students were shot outside a Pittsburgh high school, but no life-threatening injuries have been reported, police said.

Winter weather has brought ice to a wide swath of the United States, canceling more than 1,700 flights nationwide and snarling highways.

Govs. Brian Kemp of Georgia and Chris Sununu of New Hampshire on Thursday immediately banned the use of TikTok and popular messaging applications from all computer devices controlled by their state governments, saying the Chinese government may be able to access users’ personal information.

Police say the suspect in a deadly Christmas parade crash in suburban Milwaukee was in a domestic disturbance just minutes before he killed five people and injured 48.