Pakistan, July 2 -- Oil prices rose on Wednesday as uncertainty over Iran-US negotiations renewed concerns about crude supplies from the Middle East. Investors feared stalled diplomatic efforts could prolong regional supply disruptions. The gains reflected growing caution in global energy markets.

Brent crude futures rose 33 cents, or 0.45%, to $73.28 a barrel, while US West Texas Intermediate crude gained 34 cents, or 0.49%, to $69.84. Market analysts said uncertainty surrounding talks between Washington and Tehran continued to support prices. They noted that traders remained focused on geopolitical risks affecting oil supplies.

Vandana Hari, founder of Vanda Insights, said shipping through the Strait of Hormuz had resumed but remained...