The city is now one of five targeted by Abbott's busing efforts.
NOTE: The video above is streaming the ABC7 Los Angeles 24x7 Streaming channel. An updated video on this story will be published soon.
"Until the President and his Administration step up and fulfill their constitutional duty to secure the border, the State of Texas will continue busing migrants to self-declared sanctuary cities like Denver to provide much-needed relief to our small border towns," Abbott said in a statement.
The governor's office said 40 people were on the bus and they were dropped off near Civic Center Park at 14th Street and Court Place this afternoon.
He is also busing people to Philadelphia, Chicago, New York City, and Washington D.C.
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This is a developing story. Please check back for updates.