Pakistan, April 30 -- Global crude oil prices have surged to their highest levels in four years following renewed tensions surrounding Iran and continued uncertainty over the Strait of Hormuz.

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The latest increase came after US President Donald Trump announced that restrictions linked to Iran's maritime activities would remain in place, adding pressure to already volatile global energy markets.

In international trading, Brent crude recorded a sharp rise of 8%, pushing prices to $121 per barrel, marking its highest level in four years. Meanwhile, US West Texas Intermediate (WTI) crude also climbed significantly, gaining 7% to reach $108 per barrel. Market analysts linked the rall...