Airlines and airports say they are stepping up security before next week's presidential inauguration, with Delta and other major airlines saying they will prohibit passengers flying to the Washington area from putting guns in checked bags.
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The moves follow the Jan. 6 riot at the US Capitol by supporters of US President Donald Trump and politically tinged confrontations on some flights.
Delta Air Lines was the first to announce Thursday that it will prohibit checking guns to Washington-area airports and was followed later in the day by United, Alaska, American and Southwest. All said their bans will start Saturday and run through Inauguration Day until Jan. 23.
"We are all on high alert based on the events over the last couple weeks up in Washington," CEO Ed Bastian said Thursday on CNBC.