Oil prices fell Tuesday after posting sharp gains at the start of the week as fresh attacks in the Gulf raised doubts about the durability of a ceasefire between the United States and Iran.

Brent crude rises nearly 6 percent as soaring tensions in waterway push ceasefire to the brink.

Oil prices fell Tuesday after posting sharp gains at the start of the week as fresh attacks in the Gulf raised doubts about the durability of a ceasefire between the United States…