A federal judge in Texas rules the Affordable Care Act, commonly known as Obamacare, unconstitutional based on its mandate requiring that people buy health insurance, a decision in a case that could reach the US Supreme Court.
US Senate Republicans unveil legislation that would replace Obamacare with a plan that scales back aid to the poor and kills a tax on the wealthy, but the bill's fate is quickly thrown into question as several senators voice skepticism.
President Donald Trump puts pressure on Democrats as US lawmakers work to avoid a government shutdown, saying Obamacare would die without a cash infusion the White House has offered in exchange for their agreement to fund his border wall.
Fourteen million Americans are to lose medical insurance by next year under a Republican plan to dismantle Obamacare.
The Republican plan backed by President Donald Trump to overhaul the US healthcare system clears its first hurdles in Congress, but its chances for passage looks uncertain and top Republicans scramble to bring disgruntled conservatives aboard.
