UPDATE, 3:30 p.m. | Police have taken the subject into custody and reopened the highway.
EARLIER | Kansas City police have closed a stretch of I-29 in the Northland as they attempt to arrest a person they believe is armed next to the highway.
As of 1:15 p.m., multiple law enforcement agencies had blocked off I-29 between N. Oak Trafficway and the I-29/I-35 split.
There was no immediate information on the length of the closure.
Motorists should seek an alternate route.
The nearby St. Pius X High School has been placed on lockdown while police attempt to arrest the suspect.
This is a developing story and will be updated.
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