New Delhi, Oct. 21 -- The United States entered the 20th day of its government shutdown on Monday after the Senate once again failed to advance a funding resolution, marking the 11th unsuccessful vote amid escalating political tensions and nationwide protests. The 50-43 vote fell short of the threshold required to end the impasse, prolonging one of the longest government shutdowns in US history.

The stalemate continues to hinge on a dispute over healthcare subsidies under the Affordable Care Act, which are set to expire at year's end. Senate Democrats refused to back the House's continuing resolution, demanding that it include provisions extending those subsidies.

Meanwhile, House Speaker Mike Johnson has kept the chamber closed in an e...