(BSS/AFP) - Oil prices dropped sharply at Monday`s opening of Asian markets as investors breathed cautious sighs of relief following two consecutive nights without US strikes on Iran, leaving the door open for new talks.

The price of a barrel of international benchmark North Sea Brent crude fell 5.58 percent to $91.38, while its US counterpart West Texas Intermediate slid $5.46 percent to $84.43.