Washington, June 3 -- As tensions over the US-Iran conflict continue to escalate with the US striking a military ground control station on Iran's Qeshm Island, US Secretary of State Marco Rubio told lawmakers that the war is effectively winding down, even as questions mount over the stability of a fragile ceasefire and the broader regional fallout.

Facing Congress for the first time since the conflict began, Rubio defended the administration's handling of the crisis, arguing that Iran's military capabilities have been "significantly degraded" and suggesting that Tehran is now more open to negotiations over its nuclear program. He said discussions that were previously off the table are now being considered, though he cautioned that a final ...