UPDATE
Traffic cameras show that police activity has cleared and traffic is flowing normally in the area.
ORIGINAL STORY
Traffic cameras show police activity on a median near Harry Reid International Airport by South Maryland Parkway and East Russell Road.
LVMPD shared that "units from Major Violators were requested to assist with stopping and detaining subjects related to an ongoing investigation," who are now being questioned by investigators.

RTC
Motorists can expect delays for the next hour or so as eastbound lanes remain affected, according to LVPMD.
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Police searching for suspect involved in overnight Spring Valley barricade
Police responded to a neighborhood near Jones and Spring Mountain around midnight after a man said his brother stabbed him.
Man accused of 1996 Tupac Shakur killing seeks to suppress evidence
The attorneys for the man accused of killing rap icon Tupac Shakur in 1996 are pushing to suppress evidence obtained in what they claim was an “unlawful nighttime search.”
Report provides details on events leading to officer's domestic violence arrest
Melinda Amillia Cooper was one of four officers with the Las Vegas Metropolitan Police Department arrested in the month of December for domestic violence.
Developing: Gunman at large after fatal shooting near Desert Inn & Maryland
Based on their preliminary investigation, homicide detectives believe the victim was in a verbal altercation with at least one other person before he was shot.