Authorities initially reported unspecified police activity at terminals 6 and 7 around 9:45 a.m. Shortly thereafter, Los Angeles Airport police said on Twitter that an "incident" at terminal 6 had been cleared, and the area was secure.
As for terminal 7, airport officials said a suspicious item was found on a curb, and the terminal's screening area was briefly closed shortly after 10 a.m.
Around the same time, an attended bag was reported at terminal 5 near gate 52.
LAX terminal 5 evacuated pic.twitter.com/T3WwIJd3Ey— Laura Raymond (@laurajraymond) December 21, 2016
An LAPD bomb squad arrived and cleared the scene at terminal 7 at around 10:30 a.m.
All clear at Terminal 7 @flyLAXairport Operations returning to normal— LA Airport PD (@LAAirportPD) December 21, 2016
Airport police told Eyewitness News that all three incidents were because of left behind bags.
Officials advised passengers traveling out of terminals 5, 6 or 7 to contact their airlines for information on possible flight delays.
A record 4.3 million travelers are expected to go through LAX during the holiday season, with Wednesday being one of the busiest days, airport officials said.