Chris Chaberski

Time magazine has named Pope Francis its 2013 Person of the Year.

Longtime civil-rights leader and former president of South Africa Nelson Mandela died Thursday due to complications from a lung infection. He was 95 years old.

UPDATE 3:15 p.m. EST: The lockdown and shelter-in-place orders have been lifted, according to the Yale alert system. Police have been going door-to-door on campus searching for the gunman, though authorities will not confirm whether it may have been a hoax.

On Sunday more than 80 tornadoes tore through the Midwest, killing at least six people in Illinois, injuring dozens more, leveling homes and businesses, and leaving a swath of destruction from Missouri through Michigan.

Just after the school day ended at Brashear High School in Pittsburgh, several gunmen dressed in black shot three students as they were leaving the building. All three victims are alive and in stable condition, receiving treatment at local hospitals.

Across the country on Monday, Americans observed Veterans Day, commemorating the service of its military men and women, active and retired, or killed in action.

The U.S. economy, which has been slogging through a long, slow, tepid recovery for years following the Great Recession of 2007-2009, showed several positive signs this week, including higher-than-expected jobs numbers and GDP growth.

UPDATE 2:30 p.m. EST: NBC is reporting that one TSA agent was killed and three others wounded. Airport police shot and may have killed the gunman at the scene. The shooter, whose identity has not been confirmed, was taken into custody after being shot.