New Delhi, March 6 -- Markwayne Mullin, a Republican US senator from Oklahoma, has been nominated by President Donald Trump to serve as the next Secretary of the Department of Homeland Security (DHS), replacing Kristi Noem. If confirmed by the Senate, Mullin would take over leadership of the federal department at a critical time for the administration's immigration and border security agenda.

Trump announced the transition on social media, positioning Mullin as a key figure to advance his homeland security priorities.

Mullin, born on July 26, 1977, in Tulsa, Oklahoma, is a businessman-turned-politician who has served in the US Senate since 2023. A member of the Republican Party, he previously represented Oklahoma's 2nd Congressional Dis...