Overview

• Marco Rubio and Doug Burgum were informed they are not selected as Trump's running mate.
• The announcement will be made at the Fiserv Forum in Milwaukee during the Republican National Convention.
• J.D. Vance of Ohio remains a potential candidate for the vice presidential slot.
• Increased security measures have been implemented for top contenders following a recent shooting.
• The final decision is anticipated to be revealed during the vice presidential roll call nominating process.