Treasury plans wider Iran sanctions, asks China to help enforce them

Fact-check index: 48/100 — The two core claims (Treasury broadening secondary sanctions on Iran; Washington asking China to participate) are directly supported by the cited Reuters and WFAA headlines, but the source material provided is headlines-only, so the article's additional detail, context, and analysis cannot be verified against it.

• U.S. Treasury is preparing to broaden the scope of secondary sanctions on Iran, per a Reuters source — Matches the Reuters headline verbatim: 'U.S. Treasury to broaden scope of secondary sanctions on Iran, source says.'
• Washington has asked China to take part in the new measures, per WFAA — Matches WFAA headline: 'As US announces new sanctions on Iran, it also asks for China's participation.'
• Neither report specifies which sectors or entities the widened authority would cover — Only headlines were provided as source material, not full article bodies, so this claim about what the underlying reports do/don't specify cannot be checked.
• Secondary sanctions can penalize non-U.S. companies and banks for transacting with a sanctioned country — A generally accurate description of how secondary sanctions work, but it is explanatory background not attributed to or confirmed by the cited sources.
• Pulling China into scope would mark an escalation given Chinese entities' exposure to dealings with Iran — This is the article's own analytical framing; not found in the headline-level source material.
• Broadening secondary sanctions and courting Chinese participation raises the stakes for U.S.-China relations amid trade/tech disputes — Editorializing/analysis not present in or supported by the two headlines provided.
• What to watch: whether Treasury names specific sectors/firms, and whether Beijing responds, 'according to Reuters and WFAA' — Plausible as a natural next-step framing, but attributing this forward-looking 'what to watch' framing explicitly to Reuters and WFAA is not confirmed since only headlines were supplied.