Oklahoma Senator Markwayne Mullin has been appointed as the new US Department of Homeland Security Secretary after a 54-45 Senate vote.

Following a 54 to 45 Senate vote, Oklahoma Senator Markwayne Mullin has been appointed the new Department of Homeland Security Secretary of the United States of America. He takes the helm of an agency in transition following the high-profile dismissal of Kristi Noem earlier in March.