XBSIndex“Mayor Mamdani announced that NYC and several other cities are suing Trump's government over anti-immigration rules (Public Charge Rule).”
What they posted
BREAKING: Mayor Mamdani just announced that NYC, along with several other cities are suing Trump's government for their anti-immigration rules (Public Charge Rule). "We gathered here today out of a belief that New York City is the greatest city in the world, in no small part https://t.co/yzmF2TSURV
Why it's Truth
NYC Mayor's Office official announcement and multiple independent Tier 1-3 sources (CNN, POLITICO, ABC News, USA TODAY, court records) confirm Mayor Mamdani announced and NYC led the lawsuit by a coalition of cities against the Trump administration's Public Charge Rule on the post date.