Analysis Summary:

The article appears mostly accurate based on the provided sources, with the central claim of China stating the U.S. damaged its credibility by striking Iran being verified. However, the snippet provided is limited, and the claim about Beijing being one of Tehran's biggest backers is not directly addressed in the provided sources, potentially indicating a slant. The sources confirm the statement by Fu Cong, China's representative to the UN.

Detailed Analysis:

• Claim:** China says the U.S. damaged its own credibility by striking Iran.
  • Verification Source #1, #2, #3, #4, and #5: All support this claim, stating that Fu Cong, China's permanent representative to the United Nations, condemned the U.S. strikes on Iranian nuclear sites and said the U.S. damaged its own credibility.
• Claim:** Beijing has been one of Tehran’s biggest backers.
• This claim is not directly covered by Verification Source #1, #2, #3, #4, or #5. While the sources confirm China's condemnation of the US strikes, they do not elaborate on the nature of the relationship between China and Iran.

Supporting Evidence/Contradictions:

• Agreement:** Verification Source #1, #2, #3, #4, and #5 all agree that China, through its UN representative Fu Cong, stated that the U.S. damaged its credibility by striking Iran.
• Lack of Coverage:** None of the provided sources directly address the claim that Beijing has been one of Tehran's biggest backers. This lack of coverage doesn't necessarily contradict the claim, but it leaves it unverified by the provided sources.