article_snippet.sent: Security officers were out in force at Los Angeles International Airport on Saturday, allegedly after officials found out ISIS called for attacks on uniformed personnel as part of a possible terror plot.
article_snippet.sent: FBI is investigating and security is being increased at other airports in Southern California because of a 'known threat' to LAX from ISIS, according to a federal law enforcement official.
article_snippet.sent: The investigation and security increase started after intercepted communication and other intelligence information led officials to believe that a plot could be under way.
article_snippet.sent: Security is being increased at airports in Southern California because of a 'known threat' from ISIS at LAX .
article_snippet.sent: Officials found out earlier that ISIS called for attacks on uniformed personnel as part of a possible terror plot .
article_snippet.sent: a federal law enforcement official did not say whether this was a new threat.
article_snippet.sent: The Transportation Security Administration alerted local law enforcement agencies responsible for security at the other airports, although this was a new threat not necessarily related  to aviation, CNN reported.
article_snippet.sent: this was a new threat added that some US cities had increased some US cities security, but gave no further details.
article_snippet.sent: Officials are concerned about threats to uniformed personnel or locations that lone wolves may want to target, US officials told NBC News on Friday.
article_snippet.sent: Despite the new security increase, officials said the possible threat was not necessarily related to aviation .
article_snippet.sent: Homeland Security Secretary Jeh Johnson did say: 'Over the last few months, we have made a number of security adjustments, including enhanced screening at select overseas airports and increasing random searches of passengers and carry-on luggage on flights inbound to the US, reflecting an evolving threat picture.'
highlights_snippet.sent: FBI investigating after intelligence information indicated possible terror plot .
  
highlights_snippet.sent: TSA involved although possible threat not necessarily related to aviation .
  