India, April 17 -- Oil prices traded sharply lower on Friday ahead of potential weekend negotiations between the United States and Iran. U.S. President Donald Trump has indicated that a second round of talks could take place this weekend, warning that fighting may resume if no deal is finalized.Brent crude prices fell nearly 2 percent to $97.40 a barrel while WTI crude futures were down 2.4 percent at $92.41.Both contracts were down more than 3 percent over the week as Israel and Lebanon agreed to a 10-day ceasefire, fuelling optimism on the prospect of a long-term peace deal in the Middle East.Trump has expressed optimism about securing a permanent ceasefire with Iran, while announcing the deployment of additional 10,000 troops to bolster ...