Atlanta leaders say the New Year’s Eve vehicle attack on Bourbon Street in New Orleans has helped guide their security plans for college football’s national championship game.

As police responded to reports of multiple people shot at a downtown Atlanta food court, Joseph Grier was on the sidewalk outside, rambling to reporters about his mental health, criminal record and banking history.

Atlanta police say one person has died after being shot on a commuter bus that then led officers on a wild chase into the suburbs with frightened passengers aboard.

Authorities say a gunman shot three people at a food court in downtown Atlanta before then getting shot by a police officer.

Police used tear gas and flash-bang grenades to halt a march seeking to stop construction of an Atlanta-area police and firefighter training center.