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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First responders on the way to shooting at south valley grocery store
Police: 2 dead after shooting at south valley grocery store; suspect in custody
Two people were shot and killed at a south valley business Tuesday morning, according to the Las Vegas Metropolitan Police Department.
Police: Robbery leads to deadly shooting in southwest valley
Las Vegas Metropolitan police are investigating a shooting that left a woman dead Tuesday morning in the southwest valley. Channel 13's Shakeria Hawkins reports live from the scene.
FULL BRIEFING: Street robbery leads to fatal shooting, LVMPD searching for suspect
LVMPD Lt. Robert Price shared details into what appears to be an early morning robbery that has left one woman dead in the southwest valley.