US President Donald Trump confirmed his previous plans to appoint Chad Wolf as his new acting Homeland Security Department's secretary, media reported on Friday.
Kevin McAleenan, who earlier said he was going to resign by 31 October, remains in the office for now.
However, the US Department of Homeland Security has denied this information.
"McAleenan is the Acting Secretary. Wolf is the acting undersecretary for policy", the agency said.
Earlier, Trump's intention to nominate Wolf for the position was speculated in the media.