Asian stocks slumped, with the regional benchmark index heading for the lowest close in two months, on concern the U.S. will take military action against Syria for using chemical weapons.

Nikkei 225 13,338.46 -203.91 -1.51%

Hang Seng 21,524.65 -350.12 -1.60%

S&P/ASX 200 5,087.16 -54.05 -1.05%

Shanghai Composite 2,101.3 -2.27 -0.11%

Honda Motor Co., which gets 83 percent of its revenue abroad, lost 2.4 percent in Tokyo after the yen gained.

PetroChina Co., the nation’s biggest energy producer, dropped 4.7 percent in Hong Kong after saying senior managers had been removed amid an investigation by authorities.

New China Life Insurance Co., the country’s third-largest life insurer by premium income last year, fell 3.3 percent in Hong Kong after first-half profit missed analyst estimates.