Authorities in Atlanta say they stopped a mass shooting at one of the world's busiest airports

Authorities in Atlanta said they averted a tragedy Monday after a man’s family told police that he was headed to the city's airport to “shoot it up.”Police found an AR-15 assault rifle with 27 rounds of ammunition in the man’s truck, which was parked outside Hartsfield-Jackson Atlanta International Airport, Police Chief Darin Schierbaum said.“There were 27 rounds that could have been fired from this weapon inside the airport,” Schierbaum told reporters

Authorities in Atlanta said they averted a tragedy Monday after a man’s family told police that he was headed to the city's airport to “shoot it up.”

Police found an AR-15 assault rifle with 27 rounds of ammunition in the man’s truck, which was parked outside Hartsfield-Jackson Atlanta International Airport, Police Chief Darin Schierbaum said.

“There were 27 rounds that could have been fired from this weapon inside the airport,” Schierbaum told reporters.

Billy Cagle, 49, was arrested on suspicion of making terroristic threats, criminal attempt to commit aggravated assault and firearms charges, police said.

Police found an AR-15 assault rifle with 27 rounds of ammunition in Billy Cagle's truck, which was parked outside Hartsfield-Jackson Atlanta International Airport.Atlanta Police DepartmentIt wasn't immediately clear whether he has a lawyer to speak on his behalf.