WASHINGTON, Sept 29 (Reuters) – US consumer confidence plunged to a near 12-1/2-year low in September, with households expecting a deterioration in business and labor market conditions over the next six months amid the Middle East conflict and rising interest rates.

The Conference Board survey on Tuesday mirrored other polls ?showing growing disenchantment over the economy heading into the November 3 midterm elections, which will determine control of Congress. The US-Israeli war has raised energy prices, stoking inflation and prompting the Federal Reserve to raise ?interest rates this month for the first time in three years.