NEW DELHI, Oct. 16 -- Global crude oil prices rebounded from a five-month low after US President Donald Trump said Indian Prime Minister Narendra Modi had promised to halt purchases of Russian barrels-a move that could tighten global supply.

Speaking to reporters at the White House, Trump said, "So I was not happy that India was buying oil, and he (Prime Minister Narendra Modi) assured me today that they will not be buying oil from Russia. That's a big step. Now we're going to get China to do the same thing."

Russia remains India's largest oil supplier. Despite pressure from the US and European Union to curb imports, India has consistently maintained that energy procurement decisions are guided by domestic demand and affordability.

"In...