Two Iranian-backed militias in the Middle East are signaling their readiness to launch new attacks. The move seems to support Iran, which is concerned as a U.S. aircraft carrier has reached the region.

President Trump has not authorized military action in Iran, but the U.S. has built up its presence in the region in recent days.

Iran's president on Tuesday warned US "threats" against the Islamic republic would only cause instability, as a US naval strike group led by an aircraft carrier took up position in Middle Eastern waters.

Israel’s latest intake of three F-35I “Adir” stealth fighters is more than a routine delivery slot on a long procurement schedule. It is a pointed signal to Iran and its regional partners that Israel is deepening its qualitative edge in the skies just as tensions and proxy clashes intensify.

Iran-backed Yemen rebels publish images of ships on fire with warning, 'Soon;' Iraq's Kataeb Hezbollah calls on all Iran's supporters to rise to its defense if the US attacks

Iran and its militia allies say they will respond aggressively in the region if attacked. A U.S. aircraft carrier and warships are approaching the region.

DUBAI, United Arab Emirates (AP) — Two Iranian-backed militias in the Mideast are signaling their willingness to launch new attacks, likely trying to back Iran, which is concerned about an approaching US aircraft carrier after President Trump threatened military action over its crackdown on nationwide protests.