Understanding MRI Machines: Why They Can't Be Turned Off

On Wednesday, the Department of Homeland Security announced it was launching an immigration enforcement operation in the New Orleans area. Video obtained by CNN shows federal agents wearing ICE vests chasing a woman back to her home in Marrero, Louisiana a suburb of New Orleans. CNN’s Ryan Young reports.

Russian President Vladimir Putin has thanked Russian troops after military commanders told him their forces had taken full control of the town of Siversk in eastern Ukraine. Ukraine’s military, however, denies the claim and says its forces remain in control of the area. Russian commanders said the capture of Siversk marked a step toward advancing on Sloviansk, one of the largest cities in Ukraine’s Donetsk region. They told Putin that Ukrainian forces had heavily fortified the town, but claimed