The Defense Department has withheld approval for attacks as the White House has sought to entice Moscow to open peace talks.

Kyiv had long requested permission to use U.S. weapons to launch strikes deep into Russia before the Biden administration gave the go-ahead.

The Pentagon has been quietly blocking Ukraine from using U.S.-made long-range Army Tactical Missile Systems (ATACMS) to strike targets inside Russia, limiting Kyiv's ability to employ these weapons in its defense against Moscow's invasion,

The mission, if approved, would have parallels to the polarizing and legally contested operation that Trump ordered in Los Angeles in June.

WASHINGTON, Aug 23 (Reuters) - The Pentagon is working on plans to deploy the U.S. military to Chicago as President Donald Trump says he is cracking down on crime, homelessness and undocumented immigration, the Washington Post reported on Saturday.

The deployment of military for domestic law enforcement has drawn backlash from Democrats, with one governor calling it an "abuse of power".