A standoff ended at about 1:25 this afternoon after State Troopers chased a stolen big rig on I-30 to a dead end at Lee Street in Greenville. A SWAT team pulled up in an armored vehicle in front of the rig and what is believed to be tear gas was fired through the windshield. A dog that was in the 18 wheeler jumped out first, followed by the suspect driver. He was immediately taken into custody. He did not appear to be injured but seemed to be feeling some effects of the tear gas.