Analysis Summary:

The article appears mostly accurate based on the provided sources. The core claim about Iran's threat is supported. However, the article's framing and selection of information might reflect a moderate bias towards highlighting potential conflict escalation.

Detailed Analysis:

• Claim:** If the U.S. joins Israeli attacks, Iran will retaliate ‘wherever we find the targets,’ an official says.
  • Verification Source #2: Supports this claim, stating "...to retaliate" if US joins Israeli attacks, deputy foreign minister says...".
  • Verification Source #1: Provides general news coverage from the NY Times, but does not directly confirm or deny the specific claim.
  • Verification Source #3: Focuses on Trump's veto of an assassination proposal and doesn't directly address the retaliation threat.
  • Verification Source #4: Mentions US aligning with Israel and the Middle East being on a 'knife's edge', indirectly supporting the context of potential conflict.
  • Verification Source #5: Covers aerial superiority claims and US naval presence, providing context but not directly addressing the retaliation threat.

Supporting Evidence/Contradictions:

• Agreement:** Verification Source #2 directly supports the core claim about Iran's threat of retaliation if the US joins Israeli attacks.
• Lack of Coverage:** Verification Sources #1, #3, #4, and #5 do not directly address the specific claim about Iran's retaliation threat, but provide context about the ongoing conflict and US involvement.
• Internal Knowledge:** While not explicitly stated in the provided sources, it is reasonable to assume that a statement of this nature from an Iranian official would be considered a significant development in the context of the ongoing tensions.