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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New details in driver's history with police before 12-car crash that killed two
According to the arrest report, Jose Gutierrez was driving roughly 100 mph and did not apply the brakes in his silver Infiniti coupe as he approached the intersection of Cheyenne and Jones.
AG Ford: Former LVMPD officer sentenced for insurance fraud
38-year-old Christopher Michael Mitchell was sentenced for one count of Misconduct of a Public Officer in the Eighth Judicial District Court, AG Ford said.
Driver in 12-crash that left two dead officially booked on murder charges
Jose Gutierrez was re-booked on Thursday on two counts of open murder, one count of attempted murder, and one count of battery with a deadly weapon.
19-year-old faces charges after deadly Las Vegas crash
A 19-year-old Las Vegas man is facing reckless driving charges after police say he caused a deadly crash that killed two people Tuesday night, including his own passenger.