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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53-year-old man charged with murder after killing wife and shooting adult son
Channel 13 is learning more details about a domestic dispute that turned deadly on Sunday, Oct.12, in the northwest valley.
Police: North Las Vegas woman charged with open murder with a deadly weapon
In an email to Channel 13, NLVPD did confirm that their officers responded to a "critical incident" in the 1200 block of East Craig Road around 1:05 p.m. on Saturday, October 18.
Police, FBI bust transnational money laundering & human trafficking ring
LVMPD detectives worked with the FBI on the investigation, which officials say led to the discovery of a transnational money laundering operation through massage parlor brothels.
Police: Gunman at large after shooting leaves victim with 'substantial injuries'
Las Vegas police are working to track down a gunman after a shooting near Sahara Avenue and Maryland Parkway early Friday morning.